Stoicism and Buddhism
Two practical philosophies, separated by roughly 180 years and roughly 3,500 miles, that converged on the same mechanism: pause the impression, drop the second arrow, align with the order.
About Stoicism and Buddhism
Stoicism began in Athens around 300 BCE with Zeno of Citium teaching from a painted porch. The Buddha taught in north India about two centuries earlier, around 480 BCE, in what is now Bihar and Uttar Pradesh. The two schools never met. No record exists of any direct contact. They lived in different languages, different cosmologies, different ritual lives.
And yet someone reading Epictetus's Enchiridion in the morning and the Dhammapada in the afternoon will find the same instructions arriving in different vocabularies. Watch the impression before you assent to it. Locate suffering in the mind's response, not in the event. Stop trying to control what is not yours to control. Train attention as the foundational skill. Treat philosophy as something practiced daily, not believed.
The convergence is real. It is also limited. Stoicism is theistic in a particular Greek way. The cosmos is ordered by an immanent rational fire called logos, and a human soul is a fragment of that fire. Buddhism, in its earliest layers, is non-theistic. There is no creator, no eternal soul, no cosmic mind. The order is causal, not divine.
The two traditions identify the same engine of suffering and prescribe overlapping techniques for working with it. They part on what reality is and where the work ultimately leads. Reading them together brings each into sharper focus. The shared mechanism is more visible because two unconnected cultures found it. The genuine differences are also more visible because the surface vocabulary stops blurring them.
This page works the seam carefully. Where the convergence is real, it is named precisely. Where the divergence is real, it is named without softening. The aim is not to merge the two traditions into a vague synthesis. The aim is to read each in light of the other, so that the underlying instruction becomes legible and the differences stay sharp enough to learn from.
Impressions and assent meet sati and sampajañña
Epictetus opens almost every teaching with the same move. An impression arises (phantasia, the appearance of a thing as it strikes the mind). Before any reaction, there is a moment when the mind can examine the impression and either grant or withhold assent (synkatathesis). The disturbance is not in the event. It is in the unexamined assent.
The Buddha taught the same gap with different names. Sati is bare attention, the capacity to notice what is present without immediately constructing a story around it. Sampajañña is clear comprehension, the capacity to know what one is doing while doing it. Together they form the witness function of early Buddhist practice. The four foundations of mindfulness in the Satipaṭṭhāna Sutta are the structured training of these two faculties.
The technical fit is close. The traditions identify the same psychological lag, the brief interval between stimulus and reaction during which the mind decides what the event means. They teach that the lag can be widened with practice. They teach that widening it is the foundation of every other capacity.
The two diverge on what the witness is doing in that interval. Stoic assent is rational and judgmental. The pause exists so the mind can ask: is this impression accurate, is it about something within one's power, does it merit assent? The work is cognitive evaluation against a standard of truth and virtue.
Buddhist sati is non-judgmental. The pause exists so the mind can simply see what is arising without immediately recruiting it into self-narrative. The work is bare recognition, not evaluation. Judgment, when it comes, is structured later through right view and right intention, not through the witness function itself.
This is a real difference, not a stylistic one. A Stoic practitioner trains the mind as a discriminating judge. A Buddhist practitioner trains the mind as a clear mirror. The two functions overlap in the early stages of practice and pull apart in the later stages. A practitioner who blends them without noticing the difference will end up with a witness that is neither cleanly evaluative nor cleanly receptive, which is a common modern muddle.
The dichotomy of control and the second arrow
Epictetus opens the Enchiridion with a sorting rule. Eph' hēmin: what is up to the practitioner. Ouk eph' hēmin: what is not. Up to the practitioner are judgments, motivations, desires, aversions, the inner movements of choice. Not up to the practitioner are body, property, reputation, office, anything outside the will. Distress arises when the mind treats what is not up to it as if it were.
The Buddha gave the same diagnostic in different shape in the Sallatha Sutta, SN 36.6. A person is shot by an arrow. That is the first arrow: pain, contact, the unavoidable hit of being a body in a world. Then the person, stricken, takes a second arrow and shoots themselves with it. Sorrow, lamentation, mental anguish about the pain. The first arrow comes from outside. The second arrow is added by the mind.
The vocabularies differ. The diagnostic move is the same. Pain is given. Suffering is constructed. The work is to stop firing the second arrow.
Where they part: the Stoic frame is a sorting exercise the mind performs on its own contents. Mark each item as inside or outside the sphere of the will. Withdraw concern from what is outside it. The Buddhist frame is closer to a structural observation about how craving fabricates a second layer on top of bare experience. The arrow is not stopped by sorting; it is stopped by seeing the craving that was about to fire it and not feeding the craving.
The Stoic question: is this within the practitioner's power? The Buddhist question: what is the mind clinging to that makes this hurt the way it does? The two questions widen the gap from different angles. The first locates the wound in misclassification. The second locates the wound in attachment. Same wound, two angles of approach. A skilled practitioner can run both questions on the same impression and find each one yields its own usable cut.
Logos and Dharma, what universal order is and isn't
Stoic logos is active, divine, rational, and immanent. The cosmos is a single living being ordered by reason. Logos is the principle of that ordering, sometimes named Zeus, sometimes Providence, sometimes the seminal reason, and a human soul is a fragment of it. To live according to nature is to bring one's reason into alignment with the reason of the whole. Cleanthes's Hymn to Zeus is a sustained address to this ordering principle. Marcus Aurelius writes to himself, daily, that the universe is ordered and that his task is to play his part in the ordering with virtue.
Buddhist Dharma carries three overlapping meanings. It is the law: the way things are, the regularities of conditioned existence. It is the teaching: what the Buddha laid down to point at that law. And in some Mahayana usages it is the very fabric of reality, including phenomena themselves. Dharma is not a god. There is no being who is the Dharma. The order is impersonal, causal, and discoverable.
The two ideas overlap on one point: there is a universal order, and the path consists in alignment with it. Stoic kata phusin (living according to nature) and Buddhist living according to Dharma each teach that the practitioner's task is to stop fighting the way things are.
They part on what the order is made of. Stoic logos is providential. The cosmos is intelligent and oriented toward a good. Even apparent disasters serve a larger rational design. Marcus Aurelius reminds himself again and again that what happens is good for the whole, and that his job is to consent.
Buddhist Dharma includes no providence. The Buddha is explicit on this in several suttas: there is no creator deity, no soul that survives the dissolution of the aggregates, no cosmic intention behind the suffering of beings. Conditions arise from prior conditions. Dependent origination (pratityasamutpada) is the Buddhist account of the order, and it has no center.
The Stoic finds dignity in the thought that suffering serves a rational whole. The Buddhist finds dignity in the thought that suffering is contingent and therefore can end. Blurring the two costs both traditions their actual teaching. Saying logos and Dharma are basically the same flattens a real philosophical disagreement into a feel-good slogan. Holding them side by side without collapsing them is more useful, and more honest. The practitioner can take the Stoic posture toward what arrives and the Buddhist analysis of why arrival hurts the way it does, and the two need not contradict each other in daily use even if they cannot be merged at the level of metaphysics.
Virtue and the eightfold path
The Stoics named four cardinal virtues. Sophia, practical wisdom: knowing what is good, bad, and indifferent. Andreia, courage: the capacity to endure what must be endured. Dikaiosynē, justice: right relation with other rational beings. Sōphrosynē, temperance: appropriate measure in desire and action. The four are aspects of a single thing, knowledge of what is genuinely good. A person of virtue handles life well. A person without virtue handles life poorly, regardless of external circumstances.
The Buddha named eight factors of the path. Right view, right intention, right speech, right action, right livelihood, right effort, right mindfulness, right concentration. Traditionally grouped into three trainings: wisdom (right view, right intention), ethical conduct (right speech, action, livelihood), and mental cultivation (right effort, mindfulness, concentration).
The two systems cohere on the basic claim. Living well is a learnable skill, the skill is moral as well as intellectual, and the skill is practiced rather than merely believed. Stoic sophia overlaps with right view in covering wisdom. Stoic dikaiosynē overlaps with right speech, action, and livelihood in covering ethical conduct. Stoic sōphrosynē overlaps with right effort and right concentration in covering self-discipline. Stoic andreia overlaps with right effort in covering perseverance.
The Buddhist path is more granular about how the work breaks down. Speech, action, and livelihood get separate factors because each is a distinct training site. What comes out of the mouth, what the body does, how one earns. Right effort distinguishes four sub-tasks: preventing unwholesome states, abandoning ones that have arisen, generating wholesome states, sustaining ones that have arisen. Right concentration is a specific developmental sequence through the four jhānas.
The Stoic system is integrative; each virtue contains the others, because virtue is one thing seen from different angles. The Buddhist system is procedural; each factor names a distinct training site that the practitioner attends to in turn. A Stoic builds the whole athlete; a Buddhist builds each muscle in sequence. The two methods produce capable practitioners by different routes. A reader who has only studied one will find the other clarifies what was implicit.
Where they truly differ
The convergences are real. So are three divergences that no honest comparison should soften.
The first is self. Stoic prohairesis is the faculty of choice, the inner citadel, the rational core that is genuinely the practitioner's own. Epictetus calls it the only thing that is truly ours. The Stoic project assumes a self that owns its faculty of assent and is responsible for its own use of it. Buddhist anattā denies this. There is no continuous self underlying the aggregates of body, feeling, perception, formations, and consciousness. What feels like an inner citadel is itself a construction, a process mistaken for a thing. The Buddhist diagnosis is that even the Stoic prohairesis would be one more clinging to be released.
The second is cosmos. Stoic providential pantheism reads the universe as a single living, intelligent being whose unfolding is good. Whatever happens, happens for the good of the whole. Buddhist non-theism makes no such claim. Conditions produce conditions. The order is real, but not benevolent. The Stoic posture is consent to providence. The Buddhist posture is liberation from a process that has no author.
The third is goal. Stoic eudaimonia is human flourishing in this life, lived virtuously according to nature, accepting whatever role the cosmos assigns. Buddhist nirvāṇa is the cessation of the fires of greed, hatred, and delusion, and ultimately the ending of rebirth. Stoicism orients the practitioner toward living well in the world. Buddhism, in its classical formulation, orients the practitioner toward release from the round of becoming. A Stoic sage stays at the post; a Buddhist arhat is described as one for whom there is no further becoming.
These are not minor accents. They are different answers to who one is, what the universe is, and where the path leads. Practitioners can borrow from both, and many modern readers do. But borrowing without naming the differences produces a soft spirituality that neither tradition would recognize as its own. The Stoic teacher would say the borrower is shirking the work of living rightly in the world. The Buddhist teacher would say the borrower is still clinging to the self the Stoic took for granted. The honest reader holds both critiques and lets them sharpen the practice.
Where they converge in practice
Doctrine differs. Daily practice converges so closely it is sometimes hard to tell which tradition a given exercise comes from.
Seneca described a nightly self-review in De Ira. Each evening, he laid out the day's actions and asked what went well, what went poorly, what could be different tomorrow. The Buddhist tradition has a long-standing parallel in paccavekkhaṇa (review, reflection), which the Buddha taught Rahula in the Ambalaṭṭhika-Rāhulovāda Sutta as repeated reflection on bodily, verbal, and mental actions before, during, and after they are done. Theravada manuals from later centuries codified evening reflection as part of basic monastic life.
The Stoic praemeditatio malorum rehearses possible losses each morning. Marcus Aurelius opens many entries in the Meditations with a survey of what could go wrong that day. The Buddhist maraṇasati, mindfulness of death, has the practitioner contemplate the certainty of death and the uncertainty of its hour. The two practices use deliberate confrontation with loss to reduce the second arrow when loss arrives. The traditions share the insight that voluntary contact with what is feared widens what the mind can hold.
The Stoic view-from-above is a meditative exercise in which the practitioner imagines rising above the city, the country, the planet, until the immediate trouble is seen against the size of the cosmos. Marcus Aurelius returns to it repeatedly. The Buddhist brahmavihārā meditation extends loving-kindness, compassion, sympathetic joy, and equanimity in all directions, encompassing all beings without limit. The structures differ; the function is similar. Each practice breaks the grip of personal scale.
Stoic askesis includes voluntary discomfort: periods of plain food, rough clothing, hard sleeping. Seneca recommended setting aside days to live as if poor, not as punishment but to prove to oneself that the feared condition is bearable. Buddhist dhutaṅga practices, optional ascetic disciplines for monks, include eating only alms food, wearing rag-robes, dwelling in the forest. Different lineages, same training principle: voluntary contact with discomfort builds the capacity to meet involuntary contact with discomfort.
Add to this the daily journal. Marcus Aurelius's Meditations is private writing, never meant for publication, used to talk himself back into the principles when the day's events have pulled him out of them. Buddhist tradition produced a parallel through commentaries, recollection texts, and the personal verses of the Theragatha and Therigatha, in which monks and nuns recorded their own awakening passages in their own voices. The forms differ. The function is the same: the practitioner writes the teaching back to themselves, in their own words, in their own situation.
A practitioner who reads both traditions can build a daily structure from either side and find the other side already there.
Modern crossover figures
The pairing of Stoicism and Buddhism is not a recent internet phenomenon. Several serious scholars have worked the seam.
Pierre Hadot's Philosophy as a Way of Life, published in English in 1995 from earlier French essays, reframed ancient philosophy as a set of spiritual exercises rather than a body of doctrine. Hadot read Stoic and Epicurean practice through a lens that made Buddhist parallels obvious to readers familiar with both. His later The Inner Citadel (English edition 1998) is a sustained reading of Marcus Aurelius that draws explicit comparisons with Buddhist meditation traditions.
Antonia Macaro's More Than Happiness: Buddhist and Stoic Wisdom for a Sceptical Age, published in 2018, is a working philosopher's attempt to extract what is usable from both traditions for a non-religious modern reader. Macaro is trained in existential therapy and writes with the discipline of someone who has seen how people use these ideas in practice.
Stephen Batchelor's After Buddhism, published in 2015, argues for a secular reading of early Buddhism that, without naming Stoicism, ends up close to Stoic practical philosophy in many places. Batchelor's earlier Buddhism Without Beliefs (1997) is the more accessible entry to the same project.
Christopher Gowans's Philosophy of the Buddha, published in 2003, is a careful philosophical introduction that takes Buddhism seriously as a school of thought comparable to Stoicism in its argumentative structure. Jay Garfield's Engaging Buddhism: Why It Matters to Philosophy, published in 2015 by Oxford, makes the case for Buddhism as a full philosophical tradition that Western philosophy has largely failed to engage with on its own terms.
Donald Robertson's work on Stoicism and cognitive behavioral therapy, particularly The Philosophy of Cognitive-Behavioural Therapy (2010, second edition 2019), traces how Stoic practices were adapted into modern psychotherapy by Albert Ellis and Aaron Beck. The same therapeutic frame applies cleanly to mindfulness-based interventions derived from Buddhist sources, which is one of the cleanest pieces of evidence that the two ancient traditions were working the same psychological territory.
None of these writers claim the traditions are the same. Each reads them carefully enough to name where the agreement holds and where it stops.
The Satyori frame
The Satyori thesis is that universal principles recur across traditions because they describe the same psychological and spiritual mechanism. Stoicism and Buddhism are the cleanest case of this convergence in recorded history. Two cultures, no contact, the same diagnoses, similar daily structures, persistent agreement on what the work consists of.
The 9 Levels mapping makes the alignment specific. Level 1 is attention: the capacity to be here without flinching. Stoic prosochē and Buddhist sati each name this exact faculty, and the practical training of either produces the other. Level 2 is reveal: the capacity to see what runs the mind before it runs again. The Stoic examination of impressions before assent and the Buddhist witness function of sampajañña do the same work from different angles. Level 4 is release: the capacity to drop the rightness, the grip, the second arrow. Epictetus's dichotomy of control and the Sallatha Sutta's two arrows are the same teaching reaching the practitioner from two directions.
The 9 Levels are not the property of either tradition. They describe what the human mind has to learn to come into alignment with itself and with the order in which it lives. Stoicism and Buddhism each found that order, named it differently, and built different practices around it. Holding them together does not flatten them; it shows the underlying mechanism more clearly than either alone.
The practical conclusion is simple. A reader can sit in the morning with the Enchiridion and in the evening with the Dhammapada and not be confused. The two books are addressing the same person about the same problem. The vocabularies are gifts; the underlying instruction is one instruction. What the practitioner does with it depends on which question is more useful in the present hour: is this within one's power, or what is the mind clinging to. Either question, asked honestly, opens the same gap, and the gap is where the path begins.
Significance
Stoicism and Buddhism are paired in serious philosophy programs because the convergence is too precise to be coincidence and too deep to be accidental. Two unconnected traditions, separated by roughly 3,500 miles and several centuries, arrived at the same identification of where suffering is constructed and the same prescription for working with it. That kind of independent agreement is rare in the history of thought, and rarer still when it survives translation into wholly different cosmologies.
For a modern practitioner, the pairing solves a real problem. Stoicism reads as practical and grounded but, in its full classical form, requires a providential cosmos that many modern readers cannot accept on its own terms. Buddhism reads as psychologically deep but, in its full classical form, requires a soteriology of liberation from rebirth that many modern readers cannot accept on its own terms. Read together, the doctrinal difficulties refract each other. What survives the comparison is the working core: train attention, examine impressions before assenting, locate suffering in response rather than in event, build a daily practice, accept what is not yours to control, work skillfully with what is.
The pairing also clarifies what each tradition teaches. The cliché of Stoicism as emotion-suppression dissolves when set against Buddhism, which is also unmistakably about working with feeling rather than denying it. The cliché of Buddhism as world-denying dissolves when set against Stoicism, which is also unmistakably engaged with how to live well in the world. Each tradition becomes harder to caricature when read alongside the other.
For Satyori the pairing is foundational. The thesis that universal principles run through every honest tradition rests on cases like this one, where the convergence is so specific that no diffusion or borrowing explains it, and the parallel must be reaching the same source from two directions.
Connections
The Stoic hub is at Stoicism and the Buddhist hub is at Buddhism. The two hubs are the entry points for everything below.
The core Stoic concept of prohairesis, the faculty of choice, sits in tension with the Buddhist teaching of anatta, the absence of a continuous self. Stoic logos describes the rational ordering of the cosmos in a way that overlaps with, but does not collapse into, the Buddhist understanding of sunyata, emptiness. The Buddhist law of karma describes a causal order that runs parallel to Stoic providence without sharing its theistic ground. The diagnostic core of Buddhism, dukkha, the unsatisfactoriness of conditioned experience, and the destination of the path, nirvana, mark the points where Buddhism extends past anything in classical Stoicism.
For the figures, see Siddhartha Gautama for the founder of the Buddhist path, Nagarjuna for the most rigorous Mahayana philosopher, and Dogen Zenji for the Soto Zen synthesis. For the texts, the Enchiridion of Epictetus is the cleanest entry to Stoic practice, the Dhammapada is the most accessible Buddhist verse collection, and the Heart Sutra is the condensed Mahayana teaching on emptiness. For practice, the central Buddhist meditation traditions are documented at Vipassana and Metta. Two applied Stoic articles, Stoicism for Anxiety and Stoicism for Grief, work through the same mechanism this page describes in the context of specific suffering.
Further Reading
- Pierre Hadot, Philosophy as a Way of Life: Spiritual Exercises from Socrates to Foucault (English edition, Blackwell, 1995). The book that recast ancient philosophy as practice and made Stoic-Buddhist comparison philosophically respectable.
- Pierre Hadot, The Inner Citadel: The Meditations of Marcus Aurelius (Harvard, English edition 1998). A reading of Marcus that draws explicit Buddhist parallels.
- Antonia Macaro, More Than Happiness: Buddhist and Stoic Wisdom for a Sceptical Age (Icon, 2018). A working philosopher's extraction of usable practice from both traditions for non-religious readers.
- Stephen Batchelor, After Buddhism: Rethinking the Dharma for a Secular Age (Yale, 2015). A secular reading of early Buddhism that lands close to Stoic practical philosophy.
- Christopher Gowans, Philosophy of the Buddha: An Introduction (Routledge, 2003). A careful philosophical introduction that treats Buddhism as a full school of thought comparable to Stoicism.
- Jay L. Garfield, Engaging Buddhism: Why It Matters to Philosophy (Oxford, 2015). The case for Buddhism as a philosophical tradition Western philosophy has under-engaged on its own terms.
- Donald Robertson, The Philosophy of Cognitive-Behavioural Therapy: Stoic Philosophy as Rational and Cognitive Psychotherapy (Karnac, 2010; second edition Routledge, 2019). The lineage from Stoic practice to modern CBT, which has direct parallels with mindfulness-based therapies.
- Marcus Aurelius, Meditations, translated by Gregory Hays (Modern Library, 2002). The most readable English translation of the foundational Stoic journal.
- Bhikkhu Bodhi, ed. and trans., In the Buddha's Words: An Anthology of Discourses from the Pali Canon (Wisdom Publications, 2005). The standard one-volume entry to the early Buddhist suttas, including the Sallatha Sutta and the Satipaṭṭhāna Sutta cited above.
- Epictetus, Discourses and Selected Writings, translated by Robert Dobbin (Penguin Classics, 2008). A solid modern translation that includes the Enchiridion.
Frequently Asked Questions
Is Stoicism basically Western Buddhism?
No. The two traditions converge on a remarkable amount, including the pause between stimulus and reaction, the location of suffering in the mind's response, and the daily structure of attention training and self-review. They part on three points that no honest reading should soften. Stoicism affirms a continuous rational self (prohairesis); Buddhism denies it (anatta). Stoicism reads the cosmos as providential and intelligent (logos); Buddhism reads it as causal and impersonal (dependent origination). Stoicism aims at flourishing in this life (eudaimonia); Buddhism aims at the cessation of becoming (nirvana). The shared mechanism is real. Calling them the same tradition collapses the actual teaching of both.
Did Stoicism and Buddhism influence each other historically?
There is no documented direct influence. Buddhism dates to roughly 480 BCE in north India; Stoicism began around 300 BCE in Athens. Some scholars have speculated about contact through Hellenistic kingdoms in Bactria after Alexander, where Greek and Buddhist worlds did meet, but the core Buddhist teachings predate any plausible contact, and the parallels appear in early texts of each tradition independently. The most defensible position is independent discovery: two cultures arriving at the same observations about how mind and suffering work.
Which one should a beginner start with?
It depends on what is needed. Stoicism is more accessible if the immediate problem is anger, anxiety about externals, perfectionism, or difficulty accepting circumstances. Its sorting frame (what is up to the practitioner, what is not) gives fast traction. Buddhism is more accessible if the immediate problem is rumination, attachment, addictive grasping, or a sense that the self itself is the source of trouble. Its meditative methods work directly on the mechanisms underneath those patterns. Many practitioners use Stoicism for daily ethical orientation and Buddhism for sustained meditation practice without contradiction.
What is the second arrow and how is it like Stoic assent?
The second arrow is the Buddha's image from the Sallatha Sutta (SN 36.6). The first arrow is the unavoidable hit: physical pain, loss, contact with what is unwanted. The second arrow is what the mind adds: sorrow, lamentation, mental anguish about the first arrow. The first arrow comes from outside; the second arrow is fired by the mind at itself. Stoic assent (synkatathesis) names the same moment from a different angle. An impression arises; the mind, before reacting, can grant or withhold assent to its judgment about the impression. Withholding assent to the false judgment is the Stoic version of not firing the second arrow. Same gap, same intervention, two vocabularies.
Does Stoicism teach detachment in the same way Buddhism does?
Not quite. The Stoics distinguished preferred from dispreferred indifferents. Health, wealth, and good relationships are preferred (worth pursuing, worth caring about) but not worth letting one's inner state depend on. The Stoic does not stop caring; the Stoic stops being run by caring. Buddhist non-attachment goes further. The teaching is not just to care without being run by caring, but to see the craving underneath the caring and let it loosen. The Stoic still has a self with preferences, properly ordered. The Buddhist project includes seeing through the self that has preferences. Practitioners can adopt the Stoic posture without committing to the deeper Buddhist analysis, and many do.
Is mindfulness the same as Stoic attention?
Closely related, not identical. The traditions train the mind to be present and aware before reacting. Stoic prosoche is continuous attention to the use of impressions, with an evaluative edge: the practitioner is watching to catch and judge each impression before granting assent. Buddhist sati is bare awareness, non-judgmental in the moment of recognition; sampajañña adds clear comprehension of what one is doing. Modern mindfulness practices, especially in clinical settings, often blend the two without naming the blend. For practical purposes the overlap is large enough that training in one strengthens the other. For philosophical purposes the difference matters because it shapes what the practitioner is doing with attention once it is stable.
What about CBT, does it come from Stoicism or Buddhism?
Both, depending on the lineage. Cognitive Behavioral Therapy as developed by Albert Ellis and Aaron Beck draws explicitly on Stoic sources, especially Epictetus's principle that disturbance comes from judgments about events rather than the events themselves. Mindfulness-Based Stress Reduction, Mindfulness-Based Cognitive Therapy, and Acceptance and Commitment Therapy draw on Buddhist sources, especially early sati practice. The convergence in clinical practice mirrors the philosophical convergence: two traditions arriving at overlapping methods for the same psychological problem. Donald Robertson's work documents the Stoic lineage of CBT in detail.