277 of 277 sources, deduplicated and linked back to each chapter that draws on them.
“Ashtanga (eight limbs of yoga),” Wikipedia. A compilation of the standard glosses for the eight limbs and their sub-lists, drawing on Bryant, Taimni, Hariharānanda Āraṇya, and Hartranft. (opens in a new tab)
“Bhagavad Gita,” Internet Encyclopedia of Philosophy. On karma yoga, niṣkāma karma (desireless action), the offering of the fruits, svadharma, the guṇas, the witnessing self, mokṣa, and the integration of the three yogas (karma, jñāna, bhakti). (opens in a new tab)
“Daoism,” Stanford Encyclopedia of Philosophy. On wu wei, ziran, the water imagery, and non-contention. (opens in a new tab)
"epicurean." Online Etymology Dictionary. (The drift of the word toward luxury and refined taste, away from the historical Epicurus.) (opens in a new tab)
"Go drink tea" (吃茶去). The source is the Recorded Sayings of Zhaozhou (Joshu), not the Gateless Gate. Zhaozhou tells the monk who has been there before, the one who has not, and the puzzled head monk all the same thing. (opens in a new tab)
“Guodian Chu Slips,” Wikipedia. The bamboo-slip Laozi manuscript (excavated 1993, buried around 300 BCE), the earliest known witness to the text and part of the evidence that it is composite. (opens in a new tab)
“Indian philosophy: The Yoga-sutras,” Encyclopaedia Britannica. On Yoga as Seśvara-Sāṃkhya, “Sāṃkhya with God,” and Īśvara as the twenty-sixth principle, a special self rather than a Western-style creator. (opens in a new tab)
"Lucretius." Stanford Encyclopedia of Philosophy, sec. 6. (Attributes the symmetry argument to Lucretius and distinguishes it from the Epicurean core.) (opens in a new tab)
“Tao: The Watercourse Way,” Wikipedia. The source of this chapter’s title phrase: Alan Watts’s final book (1975, completed posthumously by Al Chung-liang Huang). Watts was a twentieth-century popularizer, noted here for the phrase, not cited as authority for the texts. (opens in a new tab)
"Tetrapharmakos." Wikipedia. (The Greek text, the standard English rendering, the attribution to Philodemus / Herculaneum Papyrus 1005, and the mapping to Principal Doctrines I–IV.) (opens in a new tab)
“The Yoga Sutras of Patanjali,” Internet Encyclopedia of Philosophy. On the dating (the text does not postdate the fifth century CE; the scholarly center of gravity sits in the early centuries CE), Patañjali as systematizer rather than founder, Sāṃkhya as the metaphysical frame, Īśvara as a special self rather than a creator god, āsana as a “seat,” and modern postural yoga as a recent development. (opens in a new tab)
“Zhuangzi,” Stanford Encyclopedia of Philosophy. On the text’s layered composition (the Inner Chapters 1–7 as the attributed core; Outer and Miscellaneous chapters as later), and the skill stories as effortlessness earned through practice. (opens in a new tab)
A. Álvarez-Pérez et al., "Effectiveness of Mantra-Based Meditation on Mental Health: A Systematic Review and Meta-Analysis," Int. J. Environ. Res. Public Health (2022). Across 51 studies, mantra-based meditation produced small-to-moderate reductions in anxiety (g ≈ −0.46), depression, and stress, but none of the studies was at low risk of bias. Real and modest, not a cure. Read alongside the honest grading in What Actually Works. (opens in a new tab)
Aaron T. Beck, Cognitive Therapy and the Emotional Disorders (International Universities Press, 1976). The founding text of cognitive therapy: the cognitive model, automatic thoughts, "distancing," and the systematic errors in thinking. In copyright, so paraphrased here, never quoted at length. (opens in a new tab)
Abraham Joshua Heschel, The Sabbath: Its Meaning for Modern Man (Farrar, Straus and Young, 1951). The touchstone reading of Shabbat as "a palace in time," a sanctuary built not in space but in time. A poetic-theological reading, not a substitute for the detailed halakha of the day. The short quoted phrase is the title of the book’s opening section. (opens in a new tab)
Abuhamdeh, S. (2020). Investigating the 'flow' experience: Key conceptual and operational issues. Frontiers in Psychology, 11, 158. (opens in a new tab)
Adrian F. Ward, Kristen Duke, Ayelet Gneezy, and Maarten W. Bos, "Brain Drain: The Mere Presence of One's Own Smartphone Reduces Available Cognitive Capacity," Journal of the Association for Consumer Research 2, no. 2 (2017): 140-154, corrected by the meta-analysis of Böttger, Poschik, and Zierer, "Does the Brain Drain Effect Really Exist?" Behavioral Sciences 13, no. 9 (2023): 751. The original found phone-in-another-room beat phone-on-the-desk on memory and reasoning; the meta-analysis of 22 studies found the effect small overall (g = -0.14) and real mainly for memory, not attention. Move the phone out of reach, and expect a modest gain, not a transformation. (opens in a new tab)
Alameda, C., Sanabria, D., & Ciria, L. F. (2022). The brain in flow: A systematic review on the neural basis of the flow state. Cortex, 154, 348–364. (Finds the neuroimaging evidence on both the reduced-effort and the real-cost readings of flow too sparse and inconsistent to settle the question.) (opens in a new tab)
Alan K. L. Chan, “Laozi,” Stanford Encyclopedia of Philosophy. On the contested, semi-legendary figure of Laozi, the composite nature and dating of the Daodejing, and the meanings of wu wei and ziran. (opens in a new tab)
Alan Morinis, Everyday Holiness: The Jewish Spiritual Path of Mussar (Trumpeter, 2007), and The Mussar Institute (founded 2004). Mussar, the Jewish character-development tradition revived as a movement by Rabbi Israel Salanter (1809–1883) in 19th-century Lithuania, treats menuchat hanefesh, "rest of the soul," equanimity, as a foundational practice. (opens in a new tab)
Albert Ellis Institute, on Rational Emotive Behavior Therapy and the ABC model. Ellis (1913–2007) formalized the mediating belief a few years before Beck and traced it openly to the Stoics, especially Epictetus. (opens in a new tab)
Aldous Huxley, The Perennial Philosophy (Harper & Brothers, 1945). The famous, and now contested, claim that the world's mystical traditions share a single underlying truth and a single core experience beneath their different creeds. This chapter treats it as the bold version to argue against, keeping the convergence at the level of method rather than metaphysics. (opens in a new tab)
Ānanda Sutta: To Ānanda, on Self, Not-Self, and the Unanswered (SN 44.10), trans. Thanissaro Bhikkhu. Access to Insight. (The Buddha’s silence to Vacchagotta: neither "there is a self" nor "there is no self.") (opens in a new tab)
Ānāpānasati Sutta: Mindfulness of Breathing (MN 118), trans. Thanissaro Bhikkhu. Access to Insight. (The breath as anchor, in sixteen steps and four tetrads.) (opens in a new tab)
Anatta-lakkhaṇa Sutta: The Not-Self Characteristic (SN 22.59), trans. Ñāṇamoli Thera. Access to Insight. (Not-self argued aggregate by aggregate, not as a flat metaphysical denial of self.) (opens in a new tab)
Association for Contextual Behavioral Science, "The Six Core Processes of ACT." The official definitions of defusion, acceptance, present-moment contact, self-as-context, values, and committed action, and of psychological flexibility as the goal. (opens in a new tab)
Aulus Gellius. Attic Nights 19.1 (the Stoic in the storm), trans. J. C. Rolfe, Loeb (1927). (opens in a new tab)
B. J. Fogg, Tiny Habits: The Small Changes That Change Everything (Houghton Mifflin Harcourt, 2019), and the Fogg Behavior Model (behaviormodel.org). Behavior happens when motivation, ability, and a prompt arrive together; since motivation is the unreliable one, shrink the behavior and attach it to a reliable prompt. A practitioner framework, well grounded but not a controlled finding; the "start tiny" and "anchor to a routine" core is the part with real evidence behind it. (opens in a new tab)
Bastian, B., Kuppens, P., Hornsey, M. J., Park, J., Koval, P., & Uchida, Y. (2012). "Feeling bad about being sad: The role of social expectancies in amplifying negative mood." Emotion, 12(1), 69-80. When people believe others expect them not to feel bad, they feel worse, partly by ruminating about feeling bad. The empirical backbone for why "toxic positivity" backfires, though it measures perceived social pressure, not a thing labeled toxic positivity. (opens in a new tab)
Baumeister, R. F., Bratslavsky, E., Finkenauer, C., & Vohs, K. D. (2001). Bad is stronger than good. Review of General Psychology, 5(4), 323–370. (opens in a new tab)
Beck Institute, "The Cognitive Model" and "History of CBT." On Aaron Beck (1921–2021), the situation-to-automatic-thought-to-response model, and the dating of cognitive therapy to the 1960s and 1970s. (opens in a new tab)
Benedict Carey, "Expert on Mental Illness Reveals Her Own Fight," The New York Times, June 23, 2011. Linehan’s public disclosure, at sixty-eight, of her own teenage hospitalization, self-harm, and suicidality, and how radical acceptance figured in her recovery. (opens in a new tab)
Benjamin Harkin et al., "Does monitoring goal progress promote goal attainment? A meta-analysis of the experimental evidence," Psychological Bulletin 142, no. 2 (2016): 198-229. Across 138 studies and nearly 20,000 people, prompting people to track their progress reliably helped them reach the goal (d = 0.40), with larger effects when the progress was physically recorded or made visible to someone. Modest, replicated, and the reason the review is part of the practice. (opens in a new tab)
Benson, H., Beary, J. F., & Carol, M. P. (1974). The relaxation response. Psychiatry, 37(1), 37–46. (opens in a new tab)
Bhikkhu Anālayo. Satipaṭṭhāna: The Direct Path to Realization. Windhorse, 2003. (Careful scholarship on mindfulness, the establishments of awareness, and equanimity.)
Bhikkhu Bodhi, trans. The Connected Discourses of the Buddha (Saṁyutta Nikāya), Wisdom Publications, 2000. (The scholarly standard for the suttas drawn on here, including SN 36.6, titled "The Dart.")
Bishop, S. R., Lau, M., Shapiro, S., et al. (2004). Mindfulness: A proposed operational definition. Clinical Psychology: Science and Practice, 11(3), 230–241. (opens in a new tab)
Bond, F. W., Hayes, S. C., Baer, R. A., et al. (2011). "Preliminary psychometric properties of the Acceptance and Action Questionnaire-II." Behavior Therapy, 42(4), 676-688. Read alongside Wolgast, M. (2014), "What does the AAQ-II really measure?" Behavior Therapy, 45(6), 831-839, and Rochefort et al. (2018), which show the standard avoidance measure overlaps heavily with neuroticism and general distress. So some acceptance-and-avoidance findings partly reflect distress itself. Graded honestly, not oversold. (opens in a new tab)
Brickman, P., & Campbell, D. T. (1971). Hedonic relativism and planning the good society. In M. H. Appley (Ed.), Adaptation-Level Theory: A Symposium (pp. 287–305). Academic Press. (opens in a new tab)
Brickman, P., Coates, D., & Janoff-Bulman, R. (1978). Lottery winners and accident victims: Is happiness relative? Journal of Personality and Social Psychology, 36(8), 917–927. (opens in a new tab)
Bruce E. Wampold et al., "A meta-analysis of outcome studies comparing bona fide psychotherapies: Empirically, ‘all must have prizes,’" Psychological Bulletin 122, no. 3 (1997): 203–215. The empirical basis of the "Dodo bird verdict" and the common-factors reading of why different therapies land in roughly the same place. (opens in a new tab)
Buckner, R. L., Andrews-Hanna, J. R., & Schacter, D. L. (2008). The brain's default network: Anatomy, function, and relevance to disease. Annals of the New York Academy of Sciences, 1124(1), 1–38. (opens in a new tab)
Bum-Jin Park, Yuko Tsunetsugu, Tamami Kasetani, Takahide Kagawa, and Yoshifumi Miyazaki, "The physiological effects of Shinrin-yoku (taking in the forest atmosphere or forest bathing): evidence from field experiments in 24 forests across Japan," Environmental Health and Preventive Medicine 15, no. 1 (2010): 18–26. Forest settings produced modestly lower cortisol, pulse, and blood pressure than city settings in young men over a single day. The term was coined by Japan's forestry agency in 1982. The honest grade is weak-to-modest: a meta-analysis (Ideno et al., 2017) finds a real but small blood-pressure effect (about 3 mmHg) on mostly tiny, short, unblinded studies, and a systematic review (Wen et al., 2019) flags pervasive methodological weakness. The immune and "anti-cancer" claims (from roughly twelve-person studies) are the most oversold part. (opens in a new tab)
Butler, E. A., Egloff, B., Wilhelm, F. H., Smith, N. C., Erickson, E. A., & Gross, J. J. (2003). The social consequences of expressive suppression. Emotion, 3(1), 48–67. (opens in a new tab)
Cary Stothart, Ainsley Mitchum, and Courtney Yehnert, "The Attentional Cost of Receiving a Cell Phone Notification," Journal of Experimental Psychology: Human Perception and Performance 41, no. 4 (2015): 893-897. Merely receiving a notification, without touching the phone, made 166 students noticeably worse on a vigilance task, roughly tripling the rise in errors, an effect comparable to actually using the phone. One lab study, an artificial task, and a relative risk off a low base, so read the direction confidently and the size cautiously. (opens in a new tab)
Cashwell, C. S., Glosoff, H. L., & Hammond, C. (2010). "Spiritual bypass: A preliminary investigation." Counseling and Values, 54(2), 162-174. (opens in a new tab)
Charles B. Ferster and B. F. Skinner, Schedules of Reinforcement (Appleton-Century-Crofts, 1957). The source of the slot-machine mechanism: an unpredictable, intermittent reward produces the highest, steadiest rate of the behavior and is slower to fade than a predictable one, the partial reinforcement effect. Pull-to-refresh runs on this schedule. Honest limit: the popular claim that variable-ratio is uniquely "the most resistant to extinction" is a textbook oversimplification later controlled work (Nevin & Grace, 2000, Behavioral and Brain Sciences) complicates, and the reinforcement schedule being shared does not make heavy use a clinical addiction. (opens in a new tab)
Christoff, K., Gordon, A. M., Smallwood, J., Smith, R., & Schooler, J. W. (2009). Experience sampling during fMRI reveals default network and executive system contributions to mind wandering. PNAS, 106(21), 8719–8724. (opens in a new tab)
Christopher R. Long and James R. Averill, "Solitude: An Exploration of Benefits of Being Alone," Journal for the Theory of Social Behaviour 33, no. 1 (2003): 21–44 (freedom, creativity, intimacy, spirituality), and Thuy-vy T. Nguyen, Richard M. Ryan, and Edward L. Deci, "Solitude as an Approach to Affective Self-Regulation," Personality and Social Psychology Bulletin 44, no. 1 (2018): 92–106 (time alone deactivates high-arousal feeling, calming both agitation and excitement, and restores when chosen). The dividing line is chosen versus imposed: solitude is restorative when it is yours to enter; loneliness is the unwanted gap between the company you want and the company you have. (opens in a new tab)
Cicero. The Dream of Scipio (Somnium Scipionis), De Re Publica 6.16, trans. C. W. Keyes, Loeb Classical Library (1928). Attalus. (opens in a new tab)
Cicero. Tusculan Disputations (Books 3–4, on the passions), trans. J. E. King, Loeb. (opens in a new tab)
Contemplative Outreach (the ecumenical network Keating co-founded in 1984), "The Method of Centering Prayer" and "TM, Centering Prayer and the Sacred Word." The four guidelines, and Keating’s insistence that the sacred word is a symbol of consent, "the expression of the intention of the will," not a mantra to concentrate on: intention, not attention. (opens in a new tab)
Crisis and help resources verified against official sources on 2026-07-15: 988 Suicide and Crisis Lifeline (988lifeline.org), Crisis Text Line (crisistextline.org), The Trevor Project (thetrevorproject.org), Veterans Crisis Line (veteranscrisisline.net), Trans Lifeline (translifeline.org), Find A Helpline and IASP (findahelpline.com), Samaritans (samaritans.org, 116 123), and the therapist directories named in the text. Numbers are region-specific and change; confirm your local line is current before you rely on it. (opens in a new tab)
Csikszentmihalyi, M. (1975). Beyond Boredom and Anxiety: Experiencing Flow in Work and Play. Jossey-Bass. (opens in a new tab)
Csikszentmihalyi, M. (1990). Flow: The Psychology of Optimal Experience. Harper & Row. (opens in a new tab)
Csikszentmihalyi, M., & LeFevre, J. (1989). Optimal experience in work and leisure. Journal of Personality and Social Psychology, 56(5), 815–822. (opens in a new tab)
Cynthia A. Dekker and Susanne E. Baumgartner, "Is Life Brighter When Your Phone Is Not?" Mobile Media & Communication 12, no. 3 (2024). Switching a phone to grayscale cut daily screen time by about 20 minutes, and it did so by shortening sessions, not by stopping people picking the phone up, a clean demonstration of the friction principle. One modest study (N = 84), and about half the participants found grayscale annoying, which is part of why the friction works and why few keep it. (opens in a new tab)
Dacher Keltner and Jonathan Haidt, "Approaching awe, a moral, spiritual, and aesthetic emotion," Cognition and Emotion 17, no. 2 (2003): 297–314. Defines awe by two appraisals: perceived vastness, and a need for accommodation (the experience does not fit your existing mental categories, so they have to update). A theoretical framework, widely adopted, rather than a measured effect. (opens in a new tab)
David D. Burns, Feeling Good: The New Mood Therapy (William Morrow, 1980). Beck spotted the pattern of distorted thinking; Burns, his student, expanded it into the now-standard list of ten cognitive distortions and put it in front of millions. In copyright, paraphrased. (opens in a new tab)
David Konstan. "Epicurus." Stanford Encyclopedia of Philosophy. (The telos, ataraxia and aponia, katastematic versus kinetic pleasure, the three classes of desire, friendship, and the Garden.) (opens in a new tab)
David R. Cregg and Jennifer S. Cheavens, "Gratitude Interventions: Effective Self-help?" Journal of Happiness Studies 22 (2021): 413-445, with Leah R. Dickens, "Using Gratitude to Promote Positive Change," Basic and Applied Social Psychology 39, no. 4 (2017): 193-208. Gratitude practices show small effects on depression and anxiety (g about -0.29), and the life-satisfaction gain falls to roughly d=0.03 against an equally effortful positive activity. Real, modest, and oversold. (opens in a new tab)
Desbordes, G., Gard, T., Hoge, E. A., Hölzel, B. K., Kerr, C., Lazar, S. W., Olendzki, A., & Vago, D. R. (2015). Moving beyond mindfulness: Defining equanimity as an outcome measure in meditation and contemplative research. Mindfulness, 6(2), 356–372. (opens in a new tab)
Dhammapada 277–279, trans. Thanissaro Bhikkhu. Access to Insight. (The three marks: all fabrications inconstant, all fabrications stressful, all phenomena not-self. Note the shift from saṅkhārā to dhammā in the third.) (opens in a new tab)
Diener, E., Lucas, R. E., & Scollon, C. N. (2006). Beyond the hedonic treadmill: Revising the adaptation theory of well-being. American Psychologist, 61(4), 305–314. (opens in a new tab)
Diogenes Laertius. Lives of the Eminent Philosophers 7.110–116 (the passions and eupatheiai), trans. C. D. Yonge. (opens in a new tab)
Diogenes Laertius. Lives of the Eminent Philosophers, Book X, trans. C. D. Yonge (1853). Attalus. (The Life of Epicurus, the Principal Doctrines, and the ancient scholion to PD XXIX.) (opens in a new tab)
Diogenes Laertius. Lives of the Eminent Philosophers, Book X, trans. R. D. Hicks, Loeb (1925). Perseus Digital Library. (Canonical numbering; the Garden, and the "little pot of cheese" at X.11.) (opens in a new tab)
Dōgen (1200–1253), Fukanzazengi ("Universally Recommended Instructions for Zazen," c.1227) and Genjōkōan (1233), in the Shōbōgenzō. Shikantaza as "just sitting"; practice and realization as one; "body and mind of themselves will drop away." Stanford Encyclopedia of Philosophy, "Dōgen." (opens in a new tab)
Edward Slingerland, “The Paradox of Wu-Wei” (Edge.org), drawing on his Effortless Action (Oxford University Press, 2003) and Trying Not to Try (2014). The scholarly case for rendering wu wei as “effortless action,” and the puzzle of trying not to try. Cited as scholarship, not as a popularizer. (opens in a new tab)
Edwin Bryant, The Yoga Sūtras of Patañjali: A New Edition, Translation, and Commentary (North Point Press, 2009). The standard modern scholarly translation. The reading used here, that the eight limbs are mutually supporting rather than a strict sequence, follows Bryant. In copyright, so paraphrased, never quoted at length. (opens in a new tab)
Epictetus. Discourses, Book 3 (incl. 3.2, the three topoi), trans. George Long. Standard Ebooks. (opens in a new tab)
Epictetus. Encheiridion, trans. W. A. Oldfather, Loeb Classical Library (1928). (opens in a new tab)
Epictetus. Enchiridion, trans. George Long (1888). Standard Ebooks. (opens in a new tab)
Epictetus. The Enchiridion, trans. Elizabeth Carter (1758). Project Gutenberg. (opens in a new tab)
Epictetus, Enchiridion, section 1, Internet Classics Archive (trans. Elizabeth Carter, public domain). “Some things are in our control and others not.” The Stoic dichotomy set beside the Gita in this chapter. (opens in a new tab)
Epicurus. Letter to Menoeceus, trans. Robert Drew Hicks (1925). MIT Internet Classics Archive. (opens in a new tab)
Epicurus. Letter to Menoeceus, trans. Robert Drew Hicks (1925). Wikisource. (opens in a new tab)
Epicurus. Principal Doctrines (Kyriai Doxai), trans. Robert Drew Hicks (1925). MIT Internet Classics Archive. (PD I–IV, XV, XVIII, XXVII, XXIX, the last being the fullest statement of the tripartite desire taxonomy, with its ancient scholion.) (opens in a new tab)
Epicurus. The Vatican Sayings, trans. Peter Saint-Andre (2010), released to the public domain. (VS 23, 52, 68, 77.) (opens in a new tab)
Eric J. Johnson and Daniel G. Goldstein, "Do Defaults Save Lives?" Science 302, no. 5649 (2003): 1338-1339. The cleanest demonstration that defaults dominate: organ-donation consent runs near 99 percent in opt-out countries and around 12 percent in culturally similar opt-in neighbors, so the pre-set option, not people's values, moved the number, and an online experiment roughly doubled agreement by flipping the default. Note it measures registered consent, not transplants performed. The lesson for self-design: set the calm option as your default. (opens in a new tab)
Eric O. Scott, “Stoic Echoes in the Upanishads,” Modern Stoicism. A careful argument that the resemblance between the Indian and Stoic traditions is independent convergence, not borrowing, with a warning against the popular move that flattens the two into one idea. (opens in a new tab)
Falko F. Sniehotta, Urte Scholz, and Ralf Schwarzer, "Action plans and coping plans for physical exercise: A longitudinal intervention study in cardiac rehabilitation," British Journal of Health Psychology 11, no. 1 (2006): 23-37. Among 211 heart patients, only the group that made both an action plan (when and where) and a coping plan (what to do when an obstacle hits) was still exercising more two months on. Evidence that the hard-day plan, not the good-day plan, is what carries a practice. (opens in a new tab)
Fincham, G. W., Strauss, C., Montero-Marin, J., & Cavanagh, K. (2023). Effect of breathwork on stress and mental health: A meta-analysis of randomised-controlled trials. Scientific Reports, 13, 432. (opens in a new tab)
Ford, B. Q., Lam, P., John, O. P., & Mauss, I. B. (2018). "The psychological health benefits of accepting negative emotions and thoughts: Laboratory, diary, and longitudinal evidence." Journal of Personality and Social Psychology, 115(6), 1075-1092. Across a large sample, a lab stressor, and a longitudinal design, habitually accepting your own negative feelings predicted less negative affect and fewer depressive symptoms over time. Modest effects, and about accepting inner experience, not external circumstances. (opens in a new tab)
Fossella, T. (2011). "Human Nature, Buddha Nature: An Interview with John Welwood." Tricycle, Spring 2011. Welwood restates the original definition and the reason he named it: he saw the pattern in his Buddhist community and in himself. (opens in a new tab)
Fox, J., Cashwell, C. S., & Picciotto, G. (2017). "The opiate of the masses: Measuring spiritual bypass and its relationship to spirituality, religion, mindfulness, psychological distress, and personality." Spirituality in Clinical Practice, 4(4), 274-287. The 13-item Spiritual Bypass Scale, two facets (psychological avoidance and spiritualizing). Early psychometric work on convenience samples: it shows the construct can be measured and correlates with distress, not that bypassing causes harm. (opens in a new tab)
Gaby Judah, Benjamin Gardner, and Robert Aunger, "Forming a flossing habit: An exploratory study of the psychological determinants of habit formation," British Journal of Health Psychology 18, no. 2 (2013): 338-353. People who flossed after brushing, hanging the new habit on an established routine, formed stronger habits and flossed more at eight months than those who flossed before. Small and exploratory, but direct support for anchoring to a cue you already have. (opens in a new tab)
Genjōkōan, Sōtō Zen translation (Rev. Kōdō Takeuchi). "To study the Buddha Way is to study the self; to study the self is to forget the self; to forget the self is to be verified by all things." (opens in a new tab)
Gil Fronsdal. "Equanimity." Insight Meditation Center, 2004. (Mature equanimity as warmth and radiance, the ground of wisdom and the protector of compassion, not "dry neutrality or cool aloofness.") (opens in a new tab)
Gloria Mark, Attention Span (Hanover Square Press, 2023), synthesizing two decades of computer-logging studies: the average uninterrupted stretch on a single screen fell from about 2.5 minutes in 2004 to roughly 47 seconds since 2016. This measures how long before you switch, not your underlying capacity to concentrate, and much of the switching is device and work design rather than personal weakness. (opens in a new tab)
Gloria Mark, Daniela Gudith, and Ulrich Klocke, "The Cost of Interrupted Work: More Speed and Stress," CHI 2008. Interrupted people finished the task about as fast, sometimes faster, and at no loss of quality, but paid for it in higher stress, frustration, time pressure, and effort. The cost of interruption is not slowness. It is the strain of the compensation, and it accumulates. (opens in a new tab)
Gloria Mark, Victor M. González, and Justin Harris, "No Task Left Behind? Examining the Nature of Fragmented Work," CHI 2005. Field observation of information workers: about 11 minutes on a task before a switch, and roughly 25 minutes to return to an interrupted task, passing through about two other tasks first. The famous "23 minutes 15 seconds" is not from any paper of hers; it comes from an interview. Use the field figure, and remember it is calendar time that includes the detours, not a pure mental reboot. (opens in a new tab)
Goessl, V. C., Curtiss, J. E., & Hofmann, S. G. (2017). The effect of heart rate variability biofeedback training on stress and anxiety: A meta-analysis. Psychological Medicine, 47(15), 2578–2586. (opens in a new tab)
Gregory N. Bratman et al., "Nature experience reduces rumination and subgenual prefrontal cortex activation," PNAS 112, no. 28 (2015): 8567-8572, with Marc G. Berman, John Jonides, and Stephen Kaplan, Psychological Science 19, no. 12 (2008): 1207-1212. A single nature walk reliably beats a city walk on mood and attention and lowers activity in a brooding-linked brain region, though on self-reported rumination the nature-versus-urban difference was only a non-significant trend, and the comparisons are single-session. (opens in a new tab)
Gross, J. J. (1998). Antecedent- and response-focused emotion regulation: Divergent consequences for experience, expression, and physiology. Journal of Personality and Social Psychology, 74(1), 224–237. (opens in a new tab)
Gross, J. J. (1998). The emerging field of emotion regulation: An integrative review. Review of General Psychology, 2(3), 271–299. (opens in a new tab)
Gross, J. J., & John, O. P. (2003). Individual differences in two emotion regulation processes: Implications for affect, relationships, and well-being. Journal of Personality and Social Psychology, 85(2), 348–362. (opens in a new tab)
Gross, J. J., & Levenson, R. W. (1993). Emotional suppression: Physiology, self-report, and expressive behavior. Journal of Personality and Social Psychology, 64(6), 970–986. (opens in a new tab)
Gross, J. J., & Levenson, R. W. (1997). Hiding feelings: The acute effects of inhibiting negative and positive emotion. Journal of Abnormal Psychology, 106(1), 95–103. The basis for the amusement/sadness asymmetry: suppression during a sad film did not reduce felt sadness, and suppression during an amusing film did reduce felt amusement. (opens in a new tab)
Guy W. Fincham et al., "Effect of coherent breathing on mental health and wellbeing: a randomised placebo-controlled trial," Scientific Reports 13 (2023): 22141, with Fincham et al., "Effect of breathwork on stress and mental health," Scientific Reports 13 (2023): 432, and Andrea Zaccaro et al., Frontiers in Human Neuroscience 12 (2018): 353. The acute physiology of slow breathing is well documented, the pooled clinical effects are small, and a preregistered trial of 400 people found coherent breathing beat nothing but not a faster-paced placebo. (opens in a new tab)
Hagger, M. S., et al. (2016). A multilab preregistered replication of the ego-depletion effect. Perspectives on Psychological Science, 11(4), 546–573. The large registered replication that found no ego-depletion effect, the closest empirical cousin to the "depletable resource" framing this chapter flags as a picture rather than a settled mechanism. (opens in a new tab)
Hakuin Ekaku (1686–1769), who revived Japanese Rinzai and devised the koan "the sound of one hand" (sekishu no onjō). The popular "the sound of one hand clapping" adds a word that is not in the original, and undoes the point. Hakuin also wrote scathingly of the silent-illumination sitting of his day as "dead, stagnant" quiescence, a real historical polemic between the two schools, aimed at contemporary practitioners more than at Dōgen himself, whom Hakuin spoke of with respect. (opens in a new tab)
Hayes, S. C., Wilson, K. G., Gifford, E. V., Follette, V. M., & Strosahl, K. (1996). "Experiential avoidance and behavioral disorders: A functional dimensional approach to diagnosis and treatment." Journal of Consulting and Clinical Psychology, 64(6), 1152-1168. Names experiential avoidance, the effort to escape or alter unwanted inner experience even when it costs you, as a process running across many disorders. A theoretical proposal; the label is functional, so the same act can be avoidant or not depending on what it is for. (opens in a new tab)
Steven C. Hayes, Kirk D. Strosahl, and Kelly G. Wilson, Acceptance and Commitment Therapy: The Process and Practice of Mindful Change, 2nd ed. (Guilford Press, 2012). The six core processes, psychological flexibility, and the chessboard and sky metaphors for self-as-context. (opens in a new tab)
Hengchen Dai, Katherine L. Milkman, and Jason Riis, "The Fresh Start Effect: Temporal Landmarks Motivate Aspirational Behavior," Management Science 60, no. 10 (2014): 2563-2582. Aspirational behavior jumps after a temporal landmark: searches for "diet" rose 14.4 percent at the start of a new week. A reason to start your trial, and book your review, on a Monday or the first of the month, while being honest that the push starts a habit, it does not sustain one. (opens in a new tab)
Henry David Thoreau, Walden; or, Life in the Woods (Ticknor and Fields, 1854). Public domain. The deliberate-living passage and "simplicity, simplicity, simplicity" are in the chapter "Where I Lived, and What I Lived For"; the itemized house cost ($28.12½) is in "Economy"; the solitude-is-not-loneliness material is in "Solitude"; "a different drummer" is in the "Conclusion." Thoreau lived at Walden Pond, on land owned by Emerson about a mile and a half from Concord, from July 4, 1845 to September 6, 1847, roughly two years and two months, then shaped it into a single literary year. Quotations verified verbatim against public-domain reading texts (Project Gutenberg). (opens in a new tab)
Herbert A. Simon, "Designing Organizations for an Information-Rich World," in Martin Greenberger, ed., Computers, Communications, and the Public Interest (Johns Hopkins University Press, 1971), pp. 40-41. The founding sentence of the whole field: "a wealth of information creates a poverty of attention." Written before the personal computer, the web, or the phone, and it named the scarce resource the next fifty years would fight over. (opens in a new tab)
Herbert Benson and Miriam Z. Klipper, The Relaxation Response (William Morrow, 1975). The Harvard cardiologist’s account of the two essential ingredients, a repeated focus (a word, sound, phrase, or prayer) and a passive return to it whenever the mind wanders, that elicit a physiological state opposite to the stress response. Benson’s later "faith factor" work found a personally meaningful focus word improves adherence. (opens in a new tab)
Hilary B. Hodgdon, Frank G. Anderson, Elizabeth Southwell, Wendy Hrubec, and Richard Schwartz, "Internal Family Systems (IFS) Therapy for Posttraumatic Stress Disorder (PTSD) among Survivors of Multiple Childhood Trauma: A Pilot Effectiveness Study," Journal of Aggression, Maltreatment & Trauma 31, no. 1 (2022): 22–43. The source of the often-quoted figure that 92% of participants no longer met criteria for PTSD. It was an uncontrolled pilot of seventeen people with no comparison group, so it generates a hypothesis rather than confirming one. (opens in a new tab)
IFS Institute, "The Internal Family Systems Model Outline." The official reference for the model’s terminology: the definitions of parts, managers, firefighters, exiles, burdens ("energies that are not inherent in the function of the part"), the Self as a "different level of entity than the parts," and the principle that the Self can and should lead the system. (opens in a new tab)
Irish, L. A., Kline, C. E., Gunn, H. E., Buysse, D. J., & Hall, M. H. (2015). The role of sleep hygiene in promoting public health: A review of empirical evidence. Sleep Medicine Reviews, 22, 23 –36. (opens in a new tab)
Ito, T. A., Larsen, J. T., Smith, N. K., & Cacioppo, J. T. (1998). Negative information weighs more heavily on the brain: The negativity bias in evaluative categorizations. Journal of Personality and Social Psychology, 75(4), 887–900. (opens in a new tab)
Jack Engler and Paul R. Fulton, "Self and No-Self in Psychotherapy," in Wisdom and Compassion in Psychotherapy. On the resonance, and the real difference, between the IFS Self and the Buddhist no-self and witnessing consciousness. The basis for treating this chapter as a bridge to the contemplative traditions rather than an equation with them. (opens in a new tab)
Jacqueline A-Tjak et al., "A Meta-Analysis of the Efficacy of Acceptance and Commitment Therapy for Clinically Relevant Mental and Physical Health Problems," Psychotherapy and Psychosomatics 84, no. 1 (2015): 30-36. ACT versus waitlist g=0.82, versus a psychological placebo g=0.51, and versus established treatments such as CBT only g=0.32 and not significant. Roughly parity, not superiority, and higher-quality trials found smaller effects. (opens in a new tab)
James Bennett-Levy et al., eds., Oxford Guide to Behavioural Experiments in Cognitive Therapy (Oxford University Press, 2004). The behavioral-experiment frame: state a prediction, run a bounded test, then review what actually happened against what you expected. A standard clinical practice that turns a two-week trial into learning rather than a pass-or-fail vow. (opens in a new tab)
James Clear, Atomic Habits (Avery, 2018). The habit-stacking formula ("After [current habit], I will [new habit]") and the two-minute rule (scale a new habit down until starting takes under two minutes) are the popular packaging of the same anchoring and start-small moves. Useful heuristics; the exact two-minute threshold is a rule of thumb, not a measured constant. (opens in a new tab)
James Legge, The Texts of Taoism, Part I: the Tao Te Ching (Sacred Books of the East, vol. 39, Oxford, 1891). Full public-domain text. Project Gutenberg. All verbatim quotations in this chapter are Legge’s. (opens in a new tab)
Jennifer E. Stellar et al., "Positive affect and markers of inflammation: Discrete positive emotions predict lower levels of inflammatory cytokines," Emotion 15, no. 2 (2015): 129–133. Among seven positive emotions, awe was the strongest correlate of lower IL-6, a pro-inflammatory marker. Cross-sectional and correlational, in 119 young healthy students: suggestive, not evidence that awe lowers inflammation or treats disease. See also Anderson, Monroy, and Keltner, "Awe in nature heals," Emotion 18, no. 8 (2018): 1195–1202. (opens in a new tab)
Jerome D. Frank and Julia B. Frank, Persuasion and Healing: A Comparative Study of Psychotherapy, 3rd ed. (Johns Hopkins University Press, 1991; first ed. 1961). The "common factors" idea, and the model for the honest shape of this chapter: very different therapies work partly through shared features, a healing relationship, a setting, a believable rationale, a ritual, even while their explanatory theories disagree completely. Real convergence of method, divergent stories about why. (opens in a new tab)
Jon Kabat-Zinn, Full Catastrophe Living, rev. ed. (Bantam, 2013; orig. 1990), and the MBSR Collaborative history of the program. On the founding of the Stress Reduction Clinic at the University of Massachusetts Medical School in 1979, the eight-week course, the body scan, mindful yoga, and the raisin exercise. (opens in a new tab)
Jon Kabat-Zinn, Wherever You Go, There You Are: Mindfulness Meditation in Everyday Life (Hyperion, 1994). The canonical definition: mindfulness is "paying attention in a particular way: on purpose, in the present moment, and nonjudgmentally." (opens in a new tab)
Joseph K. Carpenter et al., "Cognitive behavioral therapy for anxiety and related disorders: A meta-analysis of randomized placebo-controlled trials," Depression and Anxiety 35, no. 6 (2018): 502-514. Against a true placebo, CBT moved target symptoms by g=0.56, with response about three times as likely. The honest size of one of the best-supported methods in the field. (opens in a new tab)
Julianne Holt-Lunstad, Timothy B. Smith, and J. Bradley Layton, "Social Relationships and Mortality Risk: A Meta-analytic Review," PLoS Medicine 7, no. 7 (2010): e1000316. Across 148 studies and 308,849 people, stronger social ties gave about 50 percent greater odds of surviving follow-up (OR 1.50). Among the largest associations in this chapter, and entirely observational. (opens in a new tab)
Julieta Galante et al., "Mindfulness-based programmes for mental health promotion in adults in non-clinical settings," PLOS Medicine 18, no. 1 (2021): e1003481. In healthy adults, distress and anxiety fell against passive controls (SMD -0.45) but essentially not at all against active controls (SMD -0.01), the clean demonstration that most of the everyday-wellness benefit rests on comparisons to doing nothing. Depression was the exception: it improved against active controls too (SMD about -0.46), so the null result above is specific to distress and anxiety, not a blanket finding. (opens in a new tab)
Kallistos Ware, The Power of the Name: The Jesus Prayer in Orthodox Spirituality (SLG Press, 1974). The standard short, authoritative account of the prayer. Ware is careful that the breathing and posture techniques are "no more than an accessory" and "in no sense obligatory," and that the essential thing is the inner invocation, not breath control. (opens in a new tab)
Karaṇīya Metta Sutta: Good Will (Sn 1.8), trans. Thanissaro Bhikkhu. Access to Insight. (The discourse on lovingkindness, with the mother-and-only-child simile.) (opens in a new tab)
Karl Friston, "The free-energy principle: a unified brain theory?" Nature Reviews Neuroscience 11 (2010): 127-138; Andy Clark, "Whatever next? Predictive brains, situated agents, and the future of cognitive science," Behavioral and Brain Sciences 36, no. 3 (2013): 181-204; and Anil K. Seth and Karl J. Friston, "Active interoceptive inference and the emotional brain," Philosophical Transactions of the Royal Society B 371 (2016): 20160007. The predictive-processing frame, offered as an elegant unifier. Its own authors note that direct evidence for interoceptive prediction errors "is still lacking." (opens in a new tab)
Kashdan, T. B., & Rottenberg, J. (2010). "Psychological flexibility as a fundamental aspect of health." Clinical Psychology Review, 30(7), 865-878. Argues that staying in contact with the present and adapting behavior toward your values is a core marker of health, and rigid avoidance its opposite. A synthesis, not a causal test. (opens in a new tab)
Killingsworth, M. A., & Gilbert, D. T. (2010). A wandering mind is an unhappy mind. Science, 330(6006), 932. (opens in a new tab)
Kostadin Kushlev, Jason Proulx, and Elizabeth W. Dunn, "Silence Your Phones: Smartphone Notifications Increase Inattention and Hyperactivity Symptoms," CHI 2016. In a within-person field experiment, a week with alerts on and the phone in reach produced more self-reported inattention and hyperactivity than a week with alerts off and the phone away. Self-report, and it bundles notifications with proximity, but it points the same way as the rest. Read with Nicholas Fitz et al., "Batching Smartphone Notifications Can Improve Well-Being," Computers in Human Behavior 101 (2019): 84-94, a two-week randomized field experiment where receiving notifications in three predictable daily batches beat the constant stream, while turning them fully off backfired with more anxiety and fear of missing out. The calm move is a few windows, not total silence. (opens in a new tab)
Laborde, S., et al. (2021). Slow-paced breathing: Influence of inhalation/exhalation ratio and of respiratory pauses on cardiac vagal activity. Sustainability, 13(14), 7775. (opens in a new tab)
Laborde, S., Mosley, E., & Thayer, J. F. (2017). Heart rate variability and cardiac vagal tone in psychophysiological research. Frontiers in Psychology, 8, 213. (opens in a new tab)
Lars-Göran Öst, "The efficacy of Acceptance and Commitment Therapy: An updated systematic review and meta-analysis," Behaviour Research and Therapy 61 (2014): 105–121. ACT’s mean effect around 0.42 versus controls, but a small and non-significant edge (around 0.16) over established cognitive-behavioral treatments: rough parity, not superiority. (opens in a new tab)
Lehrer, P. M., & Gevirtz, R. (2014). Heart rate variability biofeedback: How and why does it work? Frontiers in Psychology, 5, 756. (opens in a new tab)
Lena H. Sun and Juliet Eilperin, "Trump administration freezes database of addiction and mental health treatments," Washington Post, January 10, 2018, on SAMHSA freezing the National Registry of Evidence-Based Programs and Practices (NREPP). IFS had been listed on NREPP in 2015 on the strength of the single 2013 trial; the registry was developer-nominated, widely criticized as a low bar, and then defunded. "Formerly listed on a now-defunct federal registry, on the basis of one study" is the accurate reading. (opens in a new tab)
Lindsay, E. K., Young, S., Smyth, J. M., Brown, K. W., & Creswell, J. D. (2018). Acceptance lowers stress reactivity: Dismantling mindfulness training in a randomized controlled trial. Psychoneuroendocrinology, 87, 63–73. (opens in a new tab)
Lucas, R. E., Clark, A. E., Georgellis, Y., & Diener, E. (2003). Reexamining adaptation and the set point model of happiness: Reactions to changes in marital status. Journal of Personality and Social Psychology, 84(3), 527–539. (opens in a new tab)
Lucas, R. E., Clark, A. E., Georgellis, Y., & Diener, E. (2004). Unemployment alters the set point for life satisfaction. Psychological Science, 15(1), 8–13. (opens in a new tab)
Luciano Bernardi et al., "Effect of rosary prayer and yoga mantras on autonomic cardiovascular rhythms: comparative study," BMJ 323, no. 7327 (2001): 1446–1449. Reciting the rosary’s Ave Maria in Latin and reciting a yoga mantra both slowed breathing to almost exactly six breaths per minute and increased heart-rate variability and baroreflex sensitivity. A concrete physiological footing for the longer-exhale effect of slow repetition. (opens in a new tab)
Lucretius. On the Nature of Things (De Rerum Natura), Book III, trans. William Ellery Leonard (1916). Perseus Digital Library. (Death is nothing to us at 3.830; the mirror of time at 3.972–977.) (opens in a new tab)
Lucretius. On the Nature of Things, trans. William Ellery Leonard (1916). Project Gutenberg eBook #785. (opens in a new tab)
Lykken, D., & Tellegen, A. (1996). Happiness is a stochastic phenomenon. Psychological Science, 7(3), 186–189. (opens in a new tab)
Lyubomirsky, S. (2011). Hedonic adaptation to positive and negative experiences. In S. Folkman (Ed.), The Oxford Handbook of Stress, Health, and Coping (pp. 200–224). Oxford University Press. (opens in a new tab)
Madhav Goyal et al., "Meditation Programs for Psychological Stress and Well-being: A Systematic Review and Meta-analysis," JAMA Internal Medicine 174, no. 3 (2014): 357-368. The sober anchor of the whole chapter. Restricting to trials with active controls, it found moderate-strength evidence and small effects: anxiety about 0.38 at eight weeks, depression about 0.30, pain about 0.33, and no sign that meditation beat exercise, drugs, or other therapies. (opens in a new tab)
Madhav Goyal et al., "Meditation Programs for Psychological Stress and Well-being: A Systematic Review and Meta-analysis," JAMA Internal Medicine 174, no. 3 (2014): 357–368. The sober anchor: moderate evidence and modest effect sizes (around 0.3) for anxiety, depression, and pain, and no evidence that meditation beat active controls like exercise or other therapies. (opens in a new tab)
Mahasi Sayadaw. Practical Insight Meditation. Access to Insight. (The twentieth-century Burmese noting method, grounded in but not lifted from the Satipaṭṭhāna Sutta.) (opens in a new tab)
Marc G. Berman, John Jonides, and Stephen Kaplan, "The Cognitive Benefits of Interacting with Nature," Psychological Science 19, no. 12 (2008): 1207–1212. A roughly 50-minute walk in an arboretum improved backward digit span (Berman's "about 20%"); a downtown walk did not. The samples were small (37 and 12). Read with the honest correctives: Ohly et al. (2016) found nature effects on only 3 of 13 attention measures, and Stenfors et al. (2019) showed test-order effects can inflate or mask the result. The "20%" is specific to one task, not a general claim that nature boosts cognition by a fifth. (opens in a new tab)
Marcus Aurelius. Meditations (7.48, 8.48, 9.30), trans. George Long. MIT Internet Classics Archive. (opens in a new tab)
Margaret Graver. Stoicism and Emotion (University of Chicago Press, 2007). (opens in a new tab)
Margaret Graver and others, “Epictetus,” Stanford Encyclopedia of Philosophy. On prohairesis (the faculty of choice) as the active rational center, and the scholarly caution that “up to us” is narrower than the everyday word “control.” (opens in a new tab)
Mark Siderits. "Buddha." Stanford Encyclopedia of Philosophy. (On dukkha as existential unsatisfactoriness rather than mere pain, and the not-self analysis.) (opens in a new tab)
Mark Singleton, Yoga Body: The Origins of Modern Posture Practice (Oxford University Press, 2010). The history behind the claim that the athletic, posture-based yoga most of us picture is largely a late-nineteenth and twentieth-century creation, not the practice Patañjali described. (opens in a new tab)
Marsha M. Linehan, DBT Skills Training Manual, 2nd ed. (Guilford Press, 2015). The acceptance-and-change dialectic, the three states of mind (reasonable, emotion, wise), and the distress-tolerance skills including radical acceptance, TIPP, and STOP. Paraphrased. (opens in a new tab)
Mary E. Buys, "Exploring the evidence for Internal Family Systems therapy: a scoping review of current research, gaps, and future directions," Clinical Psychologist (2025). An independent review that found 27 IFS studies, only two of them randomized controlled trials and seventeen of them case studies. It calls IFS promising for chronic pain, depression, and PTSD, and concludes that large, rigorous trials are still needed. (opens in a new tab)
Mary E. Larimer, Rebekka S. Palmer, and G. Alan Marlatt, "Relapse Prevention: An Overview of Marlatt's Cognitive-Behavioral Model," Alcohol Research & Health 23, no. 2 (1999): 151-160, with Jennifer E. Irvin et al., "Efficacy of relapse prevention: A meta-analytic review," Journal of Consulting and Clinical Psychology 67, no. 4 (1999): 563-570. The high-risk-situation vocabulary (negative emotional states most of all) and the abstinence violation effect, the guilt spiral that turns one slip into a collapse. The technique is borrowed for everyday practice; relapse prevention's own clinical effect is real but modest (overall r = 0.14), reducing the severity of slips more than preventing them. (opens in a new tab)
Mason, M. F., Norton, M. I., Van Horn, J. D., Wegner, D. M., Grafton, S. T., & Macrae, C. N. (2007). Wandering minds: The default network and stimulus-independent thought. Science, 315(5810), 393–395. (opens in a new tab)
Massimini, F., & Carli, M. (1988). The systematic assessment of flow in daily experience. In M. Csikszentmihalyi & I. S. Csikszentmihalyi (Eds.), Optimal Experience (pp. 266–287). Cambridge University Press. (opens in a new tab)
Masters, R. A. (2010). Spiritual Bypassing: When Spirituality Disconnects Us from What Really Matters. Berkeley: North Atlantic Books. Extends the idea with a clinician's catalogue of its forms: compulsive niceness, emotional numbing, exaggerated detachment, anger phobia, weak boundaries. Influential and clinical, not empirical. (opens in a new tab)
Mathew P. White et al., "Spending at least 120 minutes a week in nature is associated with good health and wellbeing," Scientific Reports 9 (2019): 7730. Across nearly 20,000 people, those who spent two hours or more a week in nature were more likely to report good health and wellbeing; below that, no clear association, and it did not matter whether the time came in one visit or several. Cross-sectional and correlational, so a threshold worth clearing, not a proven dose. (opens in a new tab)
Matthew A. Killingsworth, Daniel Kahneman, and Barbara Mellers, "Income and emotional well-being: A conflict resolved," PNAS 120, no. 10 (2023): e2208661120. A rare adversarial collaboration over 1.7 million real-time reports: happiness keeps rising with the logarithm of income, with a tiny correlation (about 0.09) and a flattening only for the least happy minority. The curve is certain and the effect is small. (opens in a new tab)
Mauss, I. B., Tamir, M., Anderson, C. L., & Savino, N. S. (2011). "Can seeking happiness make people unhappy? Paradoxical effects of valuing happiness." Emotion, 11(4), 807-815. (opens in a new tab)
Melis Yilmaz Balban et al., "Brief structured respiration practices enhance mood and reduce physiological arousal," Cell Reports Medicine 4, no. 1 (2023): 100895. In 108 adults, five minutes a day of structured breathing for a month improved mood and lowered resting arousal, with the exhale-focused "cyclic sighing" outperforming mindfulness meditation. The best single piece of evidence that a tiny daily dose can do real work. (opens in a new tab)
Mental Health First Aid (National Council for Mental Wellbeing). The ALGEE action plan, whose first step is to assess for risk of suicide or harm, and which separates crisis situations from ordinary support. The nearest formal analogue to the green/yellow/red structure, which is itself an editorial aid, not an official triage tool. (opens in a new tab)
Meuret, A. E., & Ritz, T. (2010). Hyperventilation in panic disorder and asthma: Empirical evidence and clinical strategies. International Journal of Psychophysiology, 78(1), 68–79. (opens in a new tab)
Michael Tremblay. What Many People Misunderstand about the Stoic Dichotomy of Control. Modern Stoicism. (opens in a new tab)
Nakamura, J., & Csikszentmihalyi, M. (2014). The concept of flow. In Flow and the Foundations of Positive Psychology (pp. 239–263). Springer. (opens in a new tab)
Nam, T. G., Jeong, H., Kim, K. H., & Jang, I. (2024). Effectiveness of alternate nostril breathing on blood pressure: A systematic review and meta-analysis of randomized controlled trials. Complementary Medicine Research, 31(5), 449–460. The weaker, technique-specific evidence: small trials, high heterogeneity, and limited blinding. Cited here to keep the claim for nāḍī śodhana honest and modest. (opens in a new tab)
Nancy A. Shadick et al., "A Randomized Controlled Trial of an Internal Family Systems-based Psychotherapeutic Intervention on Outcomes in Rheumatoid Arthritis: A Proof-of-Concept Study," The Journal of Rheumatology 40, no. 11 (2013): 1831–1841. The largest published RCT of IFS (79 patients). The honest detail: it did not improve its objective, rheumatologist-rated primary outcome (disease activity); its gains were on self-reported secondary measures, several of which did not last, in a design where the IFS group got far more attention than the control. (opens in a new tab)
National Institute of Mental Health. "Depression," "Understanding Psychosis," and "Warning Signs of Suicide." Source for the yellow and red signposts: symptoms most of the day, nearly every day, for at least two weeks; when to talk to a provider; and that asking someone directly about suicide does not increase risk. Not a diagnostic instrument. (opens in a new tab)
NHS. "Get help with low mood, sadness or depression" and "Where to get urgent help for mental health." The green-tier framing (ordinary low mood, self-help first) and the routing to urgent care. UK numbers: 111 for urgent help, 999 or A&E if life is at risk, Samaritans on 116 123. (opens in a new tab)
Nicholas I. Bowles and Nicholas T. Van Dam, "Dose-response effects of reported meditation practice on mental-health and wellbeing: A prospective longitudinal study," Applied Psychology: Health and Well-Being (2025). In about 1,050 people, practice frequency mattered roughly 2.5 times as much as session length, and meaningful change took more daily minutes than beginners are usually sold. Read alongside Fincham (2023), a two-week trial that found no difference between ten and thirty minutes, the honest verdict is that the right dose is genuinely unsettled, so start where you will keep going. (opens in a new tab)
Nir Eyal, Hooked: How to Build Habit-Forming Products (Portfolio, 2014). The explicit product playbook: trigger, action, variable reward, investment, with external triggers giving way over time to internal ones like boredom and loneliness. Valuable precisely because it is the designer's own account of how the loop is built, not a critic's. Eyal later argued in Indistractable (2019) that users keep their agency; take the mechanism from the first book and the responsibility caveat with a grain of salt. (opens in a new tab)
Nyanaponika Thera. The Four Sublime States: Contemplations on Love, Compassion, Sympathetic Joy and Equanimity (BPS Wheel 6). Access to Insight. (Equanimity "not due to an emotional emptiness, but to a fullness.") (opens in a new tab)
On "before enlightenment, chop wood, carry water; after enlightenment, chop wood, carry water": a modern, largely Western formulation with no located classical source, rooted loosely in Layman Pang above. Honest provenance, not a Tang proverb. (opens in a new tab)
On clutter and green: Stephanie A. McMains and Sabine Kastner, "Interactions of Top-Down and Bottom-Up Mechanisms in Human Visual Cortex," Journal of Neuroscience 31, no. 2 (2011): 587-597, showing that multiple objects in view compete and suppress each other in visual cortex (a lab study of ten people, so the tidy-your-desk application is a fair extrapolation, not a demonstrated result); Darby Saxbe and Rena Repetti, "No Place Like Home," Personality and Social Psychology Bulletin 36, no. 1 (2010): 71-81, where "stressful home" language tracked flatter cortisol slopes in 30 couples; and Roger S. Ulrich, "View through a Window May Influence Recovery from Surgery," Science 224 (1984): 420-421, the 46-patient study where a view of trees beat a brick wall. Foundational, small, and much-quoted. On indoor plants, the viral "15 percent more productive" (Nieuwenhuis et al., 2014) does not survive larger, longer workplace studies, which find perceived benefits far exceed measured ones. Adding green is cheap and plausibly helps a little; it is not a productivity machine. (opens in a new tab)
On dhikr, muraqaba, and the Sufi orders: muraqaba derives from the root r-q-b ("to watch"), from which comes the divine name al-Raqib, "the Watchful"; the Naqshbandi order (named for Baha’ al-Din Naqshband, 1318–1389) is the classic exemplar of silent, inward dhikr. Sufism is a current within Islam, not a separate path; the Mevlevi whirling is one order’s practice, not "what Sufis do" in general. (opens in a new tab)
On hishtavut (equanimity as indifference to praise and blame): traced to the Kabbalist Rabbi Isaac of Acre (13th–14th c.), transmitted through Elijah de Vidas’s Reshit Chochmah (1575) into Hasidism, and taught in the Testament of the Baal Shem Tov (Tzava’at HaRivash 2–3). The classic test asks whether honor and scorn feel equal to you. Its ground is devekut, cleaving to God, which distinguishes it from Stoic or Buddhist equanimity. See Moshe Idel, "Metamorphoses of a Platonic Theme in Jewish Mysticism." (opens in a new tab)
On hitbodedut: Rebbe Nachman of Breslov (1772–1810) taught secluded, spontaneous personal prayer, spoken aloud in one’s own everyday language, ideally outdoors in a field, for an hour a day. An older and different sense of the word (Abraham Maimonides, Abraham Abulafia) meant silent contemplative or ecstatic concentration; the two should not be conflated. (opens in a new tab)
On light: Joshua J. Gooley et al., "Exposure to Room Light before Bedtime Suppresses Melatonin Onset and Shortens Melatonin Duration in Humans," Journal of Clinical Endocrinology & Metabolism 96, no. 3 (2011): E463-E472, a controlled study of 116 adults where ordinary room light (under 200 lux) delayed melatonin onset by about an hour and a half and shortened its duration by about as much; with Anne-Marie Chang et al., "Evening Use of Light-Emitting eReaders Negatively Affects Sleep," PNAS 112, no. 4 (2015): 1232-1237; and Mohamed Boubekri et al., "Impact of Windows and Daylight Exposure on Overall Health and Sleep Quality of Office Workers," Journal of Clinical Sleep Medicine 10, no. 6 (2014): 603-611, a small pilot in which daylit workers slept about 46 minutes longer. The physiology is solid; the office-window finding is a suggestive pilot, not proof. (opens in a new tab)
On noise: World Health Organization, Environmental Noise Guidelines for the European Region (2018), which set road-traffic thresholds of 53 dB Lden by day and 45 dB Lnight, built on graded systematic reviews; with Thomas Münzel, Mette Sørensen, and Andreas Daiber, "Transportation Noise Pollution and Cardiovascular Disease," Nature Reviews Cardiology 18 (2021): 619-636, on the stress-hormone pathway from chronic noise to strain. The mechanism is experimentally supported; the disease links are observational. And Rachel Buxton et al., "A Synthesis of Health Benefits of Natural Sounds," PNAS 118, no. 14 (2021), a meta-analysis in which water sounds most lifted mood and birdsong most lowered stress, though effects are varied and short-term. (opens in a new tab)
On sakina and its cognate, the Hebrew Shekhinah: both derive from the Semitic root for "to dwell, settle" (Arabic s-k-n, Hebrew sh-k-n) and both connote divine presence, but they are theologically distinct. Arabic sakina is a tranquility bestowed on believers; Hebrew shekhinah is God’s indwelling presence in a place. Some scholarship goes beyond common ancestry and argues sakina is itself a semantic loan from Jewish Aramaic into the Qur’an. Cousins at minimum, not identical. (opens in a new tab)
On the culture of speed and subtraction as background: Carl Honoré, In Praise of Slow (HarperOne, 2004), and Cal Newport, Digital Minimalism (Portfolio, 2019). The lineage this chapter draws on for slow living, margin, and protecting attention as a resource, held as thoughtful argument rather than measured evidence. (opens in a new tab)
On the ensō, ma, and wabi-sabi. Audrey Yoshiko Seo, Ensō: Zen Circles of Enlightenment (Weatherhill, 2007): both open and closed circles are intentional. Paul S. Atkins, "What is the Japanese wabi-sabi aesthetic actually about?," The Conversation (2024): the packaged compound is largely modern; the tea-master feeling behind it is genuinely old. (opens in a new tab)
On the vocabulary, placed on its own terms: Richard B. Pilgrim, "Intervals (Ma) in Space and Time," History of Religions 25, no. 3 (1986), on ma (間) as the charged, meaningful interval, not Western minimalism; Leonard Koren, Wabi-Sabi for Artists, Designers, Poets & Philosophers (Stone Bridge Press, 1994); Meik Wiking, The Little Book of Hygge (Penguin, 2016); Olga Mecking, "The Case for Doing Nothing," New York Times (2019), on niksen; and standard Swedish-language scholarship on lagom as moderation tied to Jantelagen. Treat these as cultural design vocabulary. The wellness health claims attached to niksen and hygge are journalistic and inferential, borrowed from general rest and mind-wandering research, not studies of the named practice. (opens in a new tab)
Orthodox Church in America, "The Jesus Prayer" (The Orthodox Faith, Vol. IV: Spirituality). Gives the full form of the prayer and warns plainly that the bodily/breathing method "requires always and without exception the guidance of a spiritual guide," and that to use it without one is "to court spiritual disaster." (opens in a new tab)
Ozlem Ayduk and Ethan Kross, "From a distance: Implications of spontaneous self-distancing for adaptive self-reflection," Journal of Personality and Social Psychology 98, no. 5 (2010): 809-829. People who spontaneously take a fly-on-the-wall view of their own distress show lower emotional reactivity (correlations around -0.31 to -0.34) and fewer intrusive thoughts weeks later. Small samples, but the basis for decentering. (opens in a new tab)
Paschal Sheeran, Olivia Listrom, and Peter M. Gollwitzer, "The When and How of Planning: Meta-Analysis of the Scope and Components of Implementation Intentions in 642 Tests," European Review of Social Psychology 36, no. 1 (2025): 162-194. The effect held up in a much larger, more recent aggregation, which is the kind of replication that should raise your confidence a notch. (opens in a new tab)
Patañjali, Yoga Sutras, trans. James Haughton Woods, The Yoga-System of Patañjali (Harvard Oriental Series, 1914). Public domain, and the most literal of the standard translations (the source of older renderings like "mind-stuff" and "restriction"). Sutras cited here: 1.2, 1.3, 1.4, 1.6, 1.7–1.11, 1.12, 2.29, 2.30, 2.32, 2.46, 2.49, 3.1–3.4. Internet Archive. (opens in a new tab)
Patrick L. Hill and Nicholas A. Turiano, "Purpose in Life as a Predictor of Mortality Across Adulthood," Psychological Science 25, no. 7 (2014): 1482-1486, with Randy Cohen, Chirag Bavishi, and Alan Rozanski, "Purpose in Life and Its Relationship to All-Cause Mortality and Cardiovascular Events: A Meta-Analysis," Psychosomatic Medicine 78, no. 2 (2016): 122-133. Purpose predicts lower mortality (HR 0.85 per standard deviation; pooled RR 0.83 across 136,000 people). Strong, convergent, and almost entirely observational. (opens in a new tab)
Paul K. Piff, Pia Dietze, Matthew Feinberg, Daniel M. Stancato, and Dacher Keltner, "Awe, the small self, and prosocial behavior," Journal of Personality and Social Psychology 108, no. 6 (2015): 883–899 (five studies, N = 2,078; in Study 5, a minute spent looking up into a grove of tall eucalyptus left people feeling smaller, less entitled, and more helpful). Replicated across the US and China in Bai et al., "Awe, the diminished self, and collective engagement," JPSP 113, no. 2 (2017): 185–209. A 2024 meta-analysis (27,407 people) puts the awe-prosociality link near r = 0.40; the "small self" as the mechanism is real but less stable than the headline. (opens in a new tab)
Peter M. Gollwitzer, "Goal Achievement: The Role of Intentions," European Review of Social Psychology 4, no. 1 (1993): 141-185. The original statement of the construct: an implementation intention links an anticipated cue to a response ("Whenever situation x arises, I will initiate response y"), which makes the cue easier to notice and the response more automatic. (opens in a new tab)
Peter M. Gollwitzer, "Implementation Intentions: Strong Effects of Simple Plans," American Psychologist 54, no. 7 (1999): 493-503. The influential later synthesis, not the original paper, and the one most people cite. Gollwitzer calls it passing the control of one's behavior on to the environment. (opens in a new tab)
Peter M. Gollwitzer and Paschal Sheeran, "Implementation Intentions and Goal Achievement: A Meta-Analysis of Effects and Processes," Advances in Experimental Social Psychology 38 (2006): 69-119. The backbone of the chapter. Across 94 independent tests, forming a specific if-then plan had a medium-to-large effect on whether people actually followed through (d = 0.65), stronger for not getting derailed (d = 0.77) than for getting started (d = 0.61). An average across many tasks, not a promise for any one person, and it amplifies a goal you already hold rather than manufacturing one. (opens in a new tab)
Phena Sutta: Foam (SN 22.95), trans. Thanissaro Bhikkhu. Access to Insight. (Form like a lump of foam, feeling like a bubble, perception like a mirage: the imagery of impermanence.) (opens in a new tab)
Philipp A. Maas, Samādhipāda: Das erste Kapitel des Pātañjalayogaśāstra zum ersten Mal kritisch ediert (Studia Indologica Universitatis Halensis, Shaker, 2006). The critical edition behind the ~400 CE dating used here, argued from synchronisms with the Buddhist philosopher Vasubandhu and the history of the early commentaries. In German; summarized in English in the Wikipedia entry linked here. (opens in a new tab)
Phillippa Lally, Cornelia H. M. van Jaarsveld, Henry W. W. Potts, and Jane Wardle, "How are habits formed: Modelling habit formation in the real world," European Journal of Social Psychology 40, no. 6 (2010): 998-1009. Ninety-six people set out to form an everyday habit in a fixed context. Among those who reached automaticity, the median time was 66 days, with the range running from 18 to 254. Missing a single day did not meaningfully derail the process. The honest antidote to "21 days," which is a misread of a 1960 plastic-surgery book. (opens in a new tab)
Pierre Hadot. The Inner Citadel: The Meditations of Marcus Aurelius (Harvard University Press, 1998). (opens in a new tab)
Pim Cuijpers et al., "How effective are cognitive behavior therapies for major depression and anxiety disorders?" World Psychiatry 15, no. 3 (2016): 245-258. The control condition drives the number: CBT for depression measured g=0.98 against a waitlist, which the authors call "probably a nocebo," but only g=0.55 against a pill placebo. (opens in a new tab)
Posner, J., Russell, J. A., & Peterson, B. S. (2005). The circumplex model of affect: An integrative approach to affective neuroscience, cognitive development, and psychopathology. Development and Psychopathology, 17(3), 715–734. (opens in a new tab)
Raichle, M. E., MacLeod, A. M., Snyder, A. Z., Powers, W. J., Gusnard, D. A., & Shulman, G. L. (2001). A default mode of brain function. PNAS, 98(2), 676–682. (opens in a new tab)
Ralph Waldo Emerson, Nature (1836) and "Self-Reliance," in Essays: First Series (1841). Public domain. The "transparent eye-ball" passage, "I am glad to the brink of fear," and "in the woods, we return to reason and faith" are all in Chapter I of Nature. "Nothing can bring you peace but yourself" closes Self-Reliance, where "self-reliance" means trusting your own intuition against the pull of conformity, not economic self-sufficiency. Emerson was Thoreau's older friend and mentor and owned the Walden land. The Transcendental Club first met in 1836. Quotations verified verbatim; the originals use em dashes, trimmed here with ellipses. (opens in a new tab)
Richard C. Schwartz and Martha Sweezy, Internal Family Systems Therapy, 2nd ed. (Guilford Press, 2019; first edition 1995). The foundational clinical text: parts, the manager and firefighter and exile roles, burdens, the Self, and Self-leadership. In copyright, so paraphrased here, never quoted at length. (opens in a new tab)
Richard C. Schwartz, No Bad Parts: Healing Trauma and Restoring Wholeness with the Internal Family Systems Model (Sounds True, 2021). Schwartz writing IFS for a general reader: natural multiplicity against the "mono-mind," the claim that no part is bad and every part has a protective intent, burdens that attach "like a virus," and a Self that trauma can bury but not break. The short quoted phrase here, "there are no bad parts," is the book’s title. (opens in a new tab)
Richard C. Schwartz, "Evolution of the Internal Family Systems Model," IFS Institute. Schwartz’s own account of how the model grew out of family-systems therapy in the 1980s, and his list of the eight qualities of Self-leadership: calmness, curiosity, clarity, compassion, confidence, creativity, courage, and connectedness. (opens in a new tab)
Richard H. Thaler and Cass R. Sunstein, Nudge (Yale University Press, 2008), read alongside the honest correction: Mertens et al. (PNAS 2022) found an average nudge effect of d = 0.43 with defaults strongest, but Maier et al. (PNAS 2022) showed the overall effect vanished after correcting for publication bias, and DellaVigna and Linos (Econometrica 2022) found real government nudge trials averaged just 1.4 percentage points against 8.7 in journals. The takeaway kept in this chapter: generic nudging is oversold, but defaults are the one reliably strong category, which is exactly the lever you turn on yourself. (opens in a new tab)
Richard Jones and Jerome Gellman, "Mysticism," The Stanford Encyclopedia of Philosophy. A current, even-handed survey of the perennialism-versus-constructivism debate, including the soft and hard versions of each, and the standing conclusion that the identity of mystical experience across traditions, and its metaphysics, remain open questions. (opens in a new tab)
Richards, J. M., & Gross, J. J. (2000). Emotion regulation and memory: The cognitive costs of keeping one’s cool. Journal of Personality and Social Psychology, 79(3), 410–424. (opens in a new tab)
Robert K. C. Forman, ed., The Problem of Pure Consciousness: Mysticism and Philosophy (Oxford University Press, 1990). The main answer to Katz: the "pure consciousness event," an awake but contentless state, offered as a possible case of experience that is not constructed by its tradition. The debate is live and unresolved. (opens in a new tab)
Roger S. Ulrich, "View Through a Window May Influence Recovery from Surgery," Science 224, no. 4647 (1984): 420–421. Gallbladder-surgery patients in a Pennsylvania hospital with a window facing trees had slightly shorter stays (7.96 vs 8.70 days), needed fewer strong painkillers, and drew fewer discouraged notes from nurses than matched patients facing a brick wall. Foundational but small (46 patients, 23 matched pairs), single-site, and quasi-experimental, not a randomized trial; the wall was a deliberately bleak comparison. Ulrich's Stress Reduction Theory (Ulrich et al., 1991) holds that natural scenes prompt a fast, partly automatic drop in physiological stress, distinct from the attention account. (opens in a new tab)
Ronnie Littlejohn, “Daoist Philosophy,” Internet Encyclopedia of Philosophy. A general overview of the classical tradition. (opens in a new tab)
Rozin, P., & Royzman, E. B. (2001). Negativity bias, negativity dominance, and contagion. Personality and Social Psychology Review, 5(4), 296–320. (opens in a new tab)
Russell, J. A. (1980). A circumplex model of affect. Journal of Personality and Social Psychology, 39(6), 1161–1178. (opens in a new tab)
Russo, M. A., Santarelli, D. M., & O’Rourke, D. (2017). The physiological effects of slow breathing in the healthy human. Breathe, 13(4), 298–309. (opens in a new tab)
S. Laborde et al., “Effects of voluntary slow breathing on heart rate and heart rate variability: a systematic review and meta-analysis,” Neuroscience & Biobehavioral Reviews (2022). The comparatively well-supported finding behind the slow, exhale-weighted breath: it shifts the autonomic balance toward the parasympathetic. The science is detailed in Chapter 2. (opens in a new tab)
Saḷāyatanavibhaṅga Sutta (MN 137), trans. Thanissaro Bhikkhu. dhammatalks.org. (Household equanimity versus the equanimity of renunciation: the canonical seed of "equanimity is not indifference.") (opens in a new tab)
Sallatha Sutta (SN 36.6), trans. Bhikkhu Sujato, titled "An Arrow." SuttaCentral. (Public-domain CC0 translation: "they experience two feelings: physical and mental.") (opens in a new tab)
Sallatha Sutta: The Arrow (SN 36.6), trans. Thanissaro Bhikkhu. Access to Insight. (The two arrows: the painful feeling, and the mental reaction added on top.) (opens in a new tab)
Sāmaññaphala Sutta (DN 2), trans. Thanissaro Bhikkhu. Access to Insight. (The standard formula for the four jhānas and the factors that fall away.) (opens in a new tab)
Saṅgārava Sutta (SN 46.55), trans. Bhikkhu Sujato. SuttaCentral. (The five hindrances as five states of water: dyed, boiling, algae-choked, wind-churned, muddy and dark.) (opens in a new tab)
Satipaṭṭhāna Sutta: Frames of Reference (MN 10), trans. Thanissaro Bhikkhu. Access to Insight. (The four foundations of mindfulness, the canonical ground of noting practice.) (opens in a new tab)
Schultz, W., Dayan, P., & Montague, P. R. (1997). A neural substrate of prediction and reward. Science, 275(5306), 1593–1599. (opens in a new tab)
Zindel Segal, J. Mark G. Williams, and John D. Teasdale, Mindfulness-Based Cognitive Therapy for Depression, 2nd ed. (Guilford Press, 2013), and Teasdale et al., Journal of Consulting and Clinical Psychology (2000). MBCT as MBSR joined to cognitive therapy, "decentering" as its mechanism, and the relapse benefit specific to those with three or more prior episodes. (opens in a new tab)
Seneca. Moral Letters to Lucilius, Letter 13 (On Groundless Fears), trans. R. M. Gummere. Wikisource. (opens in a new tab)
Seneca. Moral Letters to Lucilius, Letter 91 (On the Burning of Lyons), trans. R. M. Gummere. Wikisource. (opens in a new tab)
Seneca. Of Anger (De Ira), Book II, trans. Aubrey Stewart (1900). Wikisource. (opens in a new tab)
Seneca. Of Peace of Mind (De Tranquillitate Animi), trans. Aubrey Stewart (1900). Wikisource. The reserve-clause line ("I will set sail, unless something happens to prevent me") is from this essay, De Tranquillitate Animi 13.2, not from De Beneficiis. (opens in a new tab)
Shaffer, F., & Ginsberg, J. P. (2017). An overview of heart rate variability metrics and norms. Frontiers in Public Health, 5, 258. (opens in a new tab)
Shaffer, F., & Meehan, Z. M. (2020). A practical guide to resonance frequency assessment for heart rate variability biofeedback. Frontiers in Neuroscience, 14, 570400. (opens in a new tab)
Shallcross, A. J., Troy, A. S., Boland, M., & Mauss, I. B. (2010). "Let it be: Accepting negative emotional experiences predicts decreased negative affect and depressive symptoms." Behaviour Research and Therapy, 48(9), 921-929. (opens in a new tab)
Shelley A. Haddock, Lindsey M. Weiler, Lisa J. Trump, and Kimberly L. Henry, "The Efficacy of Internal Family Systems Therapy in the Treatment of Depression Among Female College Students: A Pilot Study," Journal of Marital and Family Therapy 43, no. 1 (2017): 131–144. The smaller of the two RCTs the 2025 review found: 37 students, IFS against the usual treatments, with depression easing in both groups and no significant difference between them. (opens in a new tab)
Shigenori Nagatomo, "Japanese Zen Buddhist Philosophy," Stanford Encyclopedia of Philosophy. On mushin: "No-mind does not mean a mindless state. Nor does it mean that there is no mind." Fixation falls away, not awareness. (opens in a new tab)
Shinzen Young. "A Pain Processing Algorithm" / Natural Pain Relief. (The modern formula "Suffering = Pain × Resistance," a teaching device, not a canonical text.) (opens in a new tab)
Shunryu Suzuki (1904–1971), Zen Mind, Beginner's Mind (Weatherhill, 1970), talks edited by Trudy Dixon. The Prologue epigraph: "In the beginner's mind there are many possibilities, but in the expert's there are few." (opens in a new tab)
Simon B. Goldberg et al., "The Empirical Status of Mindfulness-Based Interventions: A Systematic Review of 44 Meta-Analyses," Perspectives on Psychological Science 17, no. 1 (2022): 108–130. Effects shrink and lose significance against active controls; roughly a quarter of tested effects show signs of inflation; harms are under-reported. (opens in a new tab)
Simon B. Goldberg, Sin U. Lam, Willoughby B. Britton, and Richard J. Davidson, "Prevalence of meditation-related adverse effects in a population-based sample in the United States," Psychotherapy Research 32, no. 3 (2022): 291-305. In a US population sample, 10.4 percent reported effects lasting a month or longer and 1.2 percent reported lasting functional impairment, with childhood adversity predicting risk. The corrective to "safe for everyone." (opens in a new tab)
Sophie Leroy, "Why Is It So Hard to Do My Work? The Challenge of Attention Residue When Switching Between Work Tasks," Organizational Behavior and Human Decision Processes 109, no. 2 (2009): 168-181. When you switch tasks, part of your attention stays stuck on the last one, and that residue measurably hurts the next, worst when the first task was left unfinished. A clean mental close reduces it. The reason a pause between tasks is not wasted time. (opens in a new tab)
Soto, J. A., Perez, C. R., Kim, Y.-H., Lee, E. A., & Minnick, M. R. (2011). Is expressive suppression always associated with poorer psychological functioning? A cross-cultural comparison. Emotion, 11(6), 1450–1455. (opens in a new tab)
South China Morning Post, on the origin of “be water, my friend.” The line is Bruce Lee’s, from his 1971 television appearances (the Pierre Berton interview and the Longstreet episode), Taoist in spirit but not a quotation from Laozi. (opens in a new tab)
Steffen, P. R., Austin, T., DeBarros, A., & Brown, T. (2017). The impact of resonance frequency breathing on measures of heart rate variability, blood pressure, and mood. Frontiers in Public Health, 5, 222. (opens in a new tab)
Stephen Kaplan, "The restorative benefits of nature: Toward an integrative framework," Journal of Environmental Psychology 15 (1995): 169–182, building on Rachel Kaplan and Stephen Kaplan, The Experience of Nature: A Psychological Perspective (Cambridge University Press, 1989). The source of Attention Restoration Theory: directed attention is a depletable resource, soft fascination lets it replenish, and a restorative place has four marks (being away, extent, fascination, compatibility). (opens in a new tab)
Stephen R. Covey. The 7 Habits of Highly Effective People (1989): Habit 1 and the circles of concern and influence. (opens in a new tab)
Steven Luper. "Death." Stanford Encyclopedia of Philosophy. (The being-dead versus dying distinction and the deprivation account.) (opens in a new tab)
Steven T. Katz, "Language, Epistemology, and Mysticism," in Mysticism and Philosophical Analysis, ed. Steven T. Katz (Oxford University Press, 1978), 22–74. The constructivist reply, and the reason this chapter stays cautious: there are no unmediated experiences, so a tradition's language, concepts, and expectations shape the experience itself. A Buddhist's emptiness and a Christian's union with God may be two different things, not one thing described twice. (opens in a new tab)
Swami Vivekananda, Raja Yoga (1896). Public domain. Looser and more interpretive than Woods, but it is the book that carried Patañjali west and gave us the now-common name "raja yoga" and the lake-and-waves image of the settling mind. (opens in a new tab)
Takuan Sōhō (1573–1645), The Unfettered Mind (Fudōchi Shinmyōroku), trans. William Scott Wilson. Mushin and "immovable wisdom": a mind that, because it stops nowhere, moves freely everywhere. Not a blank mind, and "not like wood or stone." (opens in a new tab)
Tao Te Ching (Dao De Jing), trans. James Legge, 1891 (Sacred Books of the East, vol. 39). Public domain. Chinese Text Project, with the Chinese alongside. Chapters cited here: 8, 9, 11, 19, 22, 25, 37, 43, 48, 57, 64, 66, 76, 78, 81. (opens in a new tab)
The Bhagavad Gita, trans. Sir Edwin Arnold, The Song Celestial (1885). Public domain. Every verbatim Gita quotation in this chapter is Arnold’s verse. Verses drawn on: 2.47, 2.48, 2.50, 2.54–2.72 (the sthitaprajña), 2.58, 2.71, 3.27, and ch.13 (the witness). Project Gutenberg. (opens in a new tab)
The Cloud of Unknowing, anonymous, Middle English, latter half of the 14th century. The apophatic root text behind Centering Prayer, in the lineage of Pseudo-Dionysius. Chapter 7 counsels taking "a little word of one syllable" such as GOD or LOVE; Chapter 6 gives "smite upon that thick cloud of unknowing with a sharp dart of longing love" and "by love may He be gotten and holden, but by thought never." Public-domain English text. (opens in a new tab)
The Gateless Gate (Mumonkan / Wumenguan), compiled by Wumen Huikai (1183–1260). Case 19, "Everyday Life is the Path" (ordinary mind is the Way: Nansen and Joshu), trans. Nyogen Senzaki & Paul Reps. Wumen's closing verse: "If useless things do not hang in your mind, any season is a good season for you." (opens in a new tab)
The Gateless Gate, Case 7, "Joshu Washes the Bowl" (a monk asks for instruction; Joshu asks if he has eaten, then says, "Then wash your bowl"), and Case 1, "Joshu's Dog" (the Mu koan). The full collection in several public translations. (opens in a new tab)
The Philokalia, compiled by St Nikodimos of the Holy Mountain and St Makarios of Corinth, first published in Greek in Venice in 1782. The anthology of "neptic" (watchful) fathers from roughly the 4th to the 15th centuries that codified hesychasm and the Jesus Prayer. English: G.E.H. Palmer, Philip Sherrard, and Kallistos Ware, trans., The Philokalia (Faber, 1979 onward). In copyright in translation, so paraphrased here. (opens in a new tab)
The Qur’an, Surah Ar-Ra’d 13:28 ("in the remembrance of God do hearts find rest") and the six "sakina" verses (2:248; 9:26; 9:40; 48:4; 48:18; 48:26), where God "sends down" tranquility into the hearts of believers. Verified word by word against the Quranic Arabic Corpus and standard translations. (opens in a new tab)
The Recorded Sayings of Layman P'ang, trans. Ruth Fuller Sasaki, Yoshitaka Iriya & Dana Fraser (1971). "My miraculous power and wondrous activity: drawing water and carrying firewood." (神通並妙用 運水及搬柴.) (opens in a new tab)
The Way of a Pilgrim (Otkrovennye rasskazy strannika), anonymous Russian, first published in Kazan in 1884. The autobiographical tale of a wanderer learning unceasing Jesus Prayer from the Philokalia under a starets, the book that carried the practice to a wide lay readership and, later, to the West through J.D. Salinger. (opens in a new tab)
Thomas Keating, Open Mind, Open Heart: The Contemplative Dimension of the Gospel (Amity House, 1986). The book that set out Centering Prayer for a general reader. Centering Prayer was developed in the 1970s by Trappist monks at St. Joseph’s Abbey in Spencer, Massachusetts (William Meninger, who gave the first workshop in 1974, Basil Pennington, and Keating, then the abbot). In copyright, paraphrased here. (opens in a new tab)
Thomas L. Webb, Eleanor Miles, and Paschal Sheeran, "Dealing with feeling: A meta-analysis of the effectiveness of strategies derived from the process model of emotion regulation," Psychological Bulletin 138, no. 4 (2012): 775-808. Across 306 comparisons, cognitive reappraisal worked but was small (about d=0.36), with perspective-taking the strongest variant (d=0.45), while suppressing the feeling itself did nothing (d about -0.04). (opens in a new tab)
Thomas Nagel. "Death." Noûs 4, no. 1 (1970): 73–80. (The leading modern reply to Epicurus: death as deprivation.) (opens in a new tab)
Tim O'Keefe. "Epicurus." Internet Encyclopedia of Philosophy. (Static versus kinetic pleasure, the three types of desire, and the vain desires that have no natural limit.) (opens in a new tab)
Tom J. Johnsen and Oddgeir Friborg, "The effects of cognitive behavioral therapy as an anti-depressive treatment is falling: A meta-analysis," Psychological Bulletin 141, no. 4 (2015): 747–768, with the rebuttal by Björn Ljótsson et al., Psychological Bulletin 143, no. 3 (2017): 321–325. The contested claim that CBT’s effect on depression has declined over time, and the re-analysis arguing the decline is largely a pre-1995 artifact. (opens in a new tab)
Tristan Harris, "How Technology Is Hijacking Your Mind, from a Magician and Google's Design Ethicist" (2016). The insider case that products exploit psychological blind spots the way a magician does, that the phone is a pocket slot machine running on intermittent variable rewards, and that whoever controls the menu controls the choices. Advocacy, not a controlled study, and worth reading as such. The viral "150 checks a day" figure traces to a company estimate, not a measurement. (opens in a new tab)
Vivian C. Goessl, Joshua E. Curtiss, and Stefan G. Hofmann, "The effect of heart rate variability biofeedback training on stress and anxiety: A meta-analysis," Psychological Medicine 47, no. 15 (2017): 2578-2586, with Paul Lehrer et al., "Heart Rate Variability Biofeedback Improves Emotional and Physical Health and Performance," Applied Psychophysiology and Biofeedback 45 (2020): 109-129. A small-to-moderate controlled effect that, in Lehrer's words, "does not differ from that of other effective treatments." (opens in a new tab)
W. T. Stace, Mysticism and Philosophy (Macmillan, 1960). The common-core thesis in careful analytic form: that mystical experience has a universal phenomenological center, especially a "pure," contentless introvertive state, under its varied religious clothing. The strongest case for a shared experience. (opens in a new tab)
Wallace, R. K., Benson, H., & Wilson, A. F. (1971). A wakeful hypometabolic physiologic state. American Journal of Physiology, 221(3), 795–799. (opens in a new tab)
Watson, D., & Tellegen, A. (1985). Toward a consensual structure of mood. Psychological Bulletin, 98(2), 219–235. (opens in a new tab)
Weil, A. (2010). The 4-7-8 (Relaxing Breath) exercise. Arizona Center for Integrative Medicine (patient handout). (opens in a new tab)
Welwood, J. (2000). Toward a Psychology of Awakening: Buddhism, Psychotherapy, and the Path of Personal and Spiritual Transformation. Boston: Shambhala. The book where Welwood, who coined the term "spiritual bypassing" in the early 1980s, developed it in full: using spiritual ideas and practices to sidestep unresolved emotional and developmental work. A clinical and observational concept, not a validated construct. (opens in a new tab)
Willem Kuyken et al., "Efficacy of Mindfulness-Based Cognitive Therapy in Prevention of Depressive Relapse: An Individual Patient Data Meta-analysis," JAMA Psychiatry 73, no. 6 (2016): 565-574. Nine trials, 1,258 patients. MBCT cut relapse versus non-MBCT comparators (HR 0.69) and versus maintenance antidepressants (HR 0.77), most in those with the heaviest residual symptoms. The strongest single application of trained presence in the book. (opens in a new tab)
William B. Irvine. A Guide to the Good Life: The Ancient Art of Stoic Joy (Oxford University Press, 2009). Reviewed in Bryn Mawr Classical Review. (opens in a new tab)
World Health Organization. "Depressive disorder (depression)," Fact Sheet. Confirms the two-week, most-of-the-day threshold, separates a depressive episode from ordinary mood swings, and notes the impact on home, work, and school. (opens in a new tab)
Yasuhiro Kotera, Miles Richardson, and David Sheffield, "Effects of Shinrin-Yoku (Forest Bathing) and Nature Therapy on Mental Health: A Systematic Review and Meta-analysis," International Journal of Mental Health and Addiction (2020). The publication-bias case in miniature: risk of bias rated medium to high across its included studies, potential publication bias flagged in almost every analysis, and effect sizes for anxiety and depression large enough to be implausible on their own. (opens in a new tab)
Yasuma, F., & Hayano, J. (2004). Respiratory sinus arrhythmia: Why does the heartbeat synchronize with respiratory rhythm? Chest, 125(2), 683–690. (opens in a new tab)
Yuganaddha Sutta: In Tandem (AN 4.170), trans. Thanissaro Bhikkhu. dhammatalks.org. (Serenity and insight yoked together, "yuganaddha.") (opens in a new tab)
Zaccaro, A., et al. (2018). How breath-control can change your life: A systematic review on psycho-physiological correlates of slow breathing. Frontiers in Human Neuroscience, 12, 353. (opens in a new tab)
Zhuangzi (Chuang Tzu), “Nourishing the Lord of Life” (Inner Chapter 3), trans. James Legge, 1891. The story of Cook Ding and the ox: the knife that, after nineteen years, is still as sharp as if newly from the whetstone. Chinese Text Project. (opens in a new tab)
Zhuangzi, “Enjoyment in Untroubled Ease” (Inner Chapter 1), trans. James Legge, 1891. Huizi’s big, gnarled, “useless” tree that no carpenter wants, and so is left to grow. Chinese Text Project. (opens in a new tab)
Zhuangzi, “Man in the World, Associated with other Men” (Inner Chapter 4), trans. James Legge, 1891. The giant shrine oak that is useless as timber and so survives, and Cripple Shu, useless and therefore spared. Chinese Text Project. (opens in a new tab)
Zhuangzi, “The Full Understanding of Life” (Outer Chapter 19), trans. James Legge, 1891. The swimmer at the gorge of Lü, who follows the way of the water and does nothing contrary to it. Chinese Text Project. (opens in a new tab)