Concept

Stoicism

Also known as: the Stoa, Stoic philosophy, Stoic school

A major school of Greco-Roman philosophy founded in Athens around 300 BCE by **Zeno of Citium** and developed across roughly six centuries by a continuous lineage of teachers — Cleanthes, Chrysippus, Panaetius, Posidonius (the early Greek period), Seneca, Epictetus, Marcus Aurelius (the Roman period). Stoic philosophy treats virtue (*aretē*) as the only true good, understands the universe as ordered by *logos* (rational principle, divine reason) of which the human is a part, and cultivates a disciplined practice of attention to one's own judgments and reactions to events as the means by which the practitioner aligns with *logos* and lives well. Distinguished from contemplative-religious traditions in being primarily philosophical and rational rather than devotional or apophatic, but functions in many respects like a contemplative tradition: daily practice, sustained ethical formation, integration with how one lives in the world. Substantially recovered in the late 20th and early 21st centuries through the work of Pierre Hadot, A.A. Long, Brad Inwood, Massimo Pigliucci, William Irvine, Donald Robertson, and others; now widely practiced in secular contemplative communities.

Stoicism was founded in Athens around 300 BCE by Zeno of Citium, a Phoenician merchant who had been shipwrecked, lost his cargo, encountered the philosophical schools of Athens, and become first a Cynic and then the founder of his own school, taught from the Stoa Poikile (the Painted Porch) in the Athenian agora — from which the school takes its name.

The shape of Stoic teaching

Several recurring claims structure Stoic philosophy across its long history:

Virtue is the only true good. Health, wealth, reputation, even life itself are preferred indifferents — they may be desirable, but they are not goods in the strict sense. The only true good is the virtue (aretē) of the rational soul; the only true evil is its corruption.
The universe is rational. Logos — divine reason, rational principle — orders the cosmos. The human possesses a fragment of logos in the rational soul; [[buen-vivir|living well]] means aligning the rational soul with the cosmic logos.
What is up to us and what is not. A central distinction: some things (our judgments, our intentions, our reactions, our choices) are within our control; everything else (the body, our property, our reputation, what others do, what events occur) is not. The discipline is to focus completely on what is up to us and to receive what is not with equanimity.
The four cardinal virtues. Wisdom (phronēsis), justice (dikaiosynē), courage (andreia), and temperance (sōphrosynē) — each understood not as ornaments of character but as constituent dimensions of a single integrated rational virtue.
The discipline of attention. Stoic practice centers on continuous attention to one’s own judgments. The teaching is that we are disturbed not by events but by our judgments about events; the practice is to catch the judgments as they arise and examine whether they are aligned with reason.

The historical lineage

Stoicism is unusual among ancient philosophies in that it ran continuously for roughly six centuries:

The early Greek Stoa (3rd–2nd c. BCE): Zeno of Citium (the founder); Cleanthes (Zeno’s successor; author of the Hymn to Zeus); Chrysippus (the systematizer; said to have written more than 700 books, almost all lost). Most of the early Greek Stoic writings survive only in fragments.
The middle Stoa (2nd–1st c. BCE): Panaetius; Posidonius (the encyclopedic polymath). Substantial influence on Roman thought.
The Roman Stoa (1st c. BCE – 2nd c. CE): Seneca (statesman and tutor of Nero); Musonius Rufus; [[epictetus|Epictetus]] (former slave; the Discourses and Enchiridion); [[marcus-aurelius|Marcus Aurelius]] (the philosopher-emperor; the Meditations). The Roman Stoic writings survive substantially intact and are the principal Stoic literature available today.

After [[marcus-aurelius|Marcus Aurelius]]‘s death in 180 CE, the school as an institutional school faded; Stoic ideas were absorbed by other traditions (especially Christianity). Stoicism continued as a continuing intellectual influence rather than as an institutional school until its modern recovery.

Modern recovery

Several waves of modern recovery:

Renaissance Neostoicism: Justus Lipsius (16th c.) and others recovered Stoic political and ethical thought.
17th-century moral philosophy: substantial Stoic influence on Spinoza, Pascal, others.
20th-century scholarly recovery: A.A. Long, Brad Inwood, John Sellars, and other classicists produced rigorous philosophical-historical work.
[[pierre-hadot|Pierre Hadot]] (1922–2010): the French historian-philosopher whose Philosophy as a Way of Life (1995) and The Inner Citadel: The [[meditations-marcus-aurelius|Meditations of Marcus Aurelius]] (1992) decisively recovered Stoic philosophy as a spiritual practice (exercice spirituel) rather than only as theoretical doctrine. Hadot’s articulation has been substantially load-bearing for contemporary Stoic practice.
Contemporary practical Stoicism: William Irvine’s A Guide to the Good Life (2008), Massimo Pigliucci’s How to Be a Stoic (2017), Donald Robertson’s Stoicism and the Art of Happiness (2013) and several subsequent books, the Stoicon annual conference, the Modern Stoicism online community, and a substantial popular literature have made Stoicism widely practiced as a contemporary philosophical-contemplative discipline.

What this gives the platform

Three contributions:

A continuously-practiced secular contemplative tradition. [[0mn1one|The platform]]‘s commitment to engaging the world’s contemplative traditions has to include Stoicism as a major non-theistic articulation of contemplative life. The discipline of attention, the daily practice, the integration with public life — all recognizably contemplative, all without requiring belief in a personal deity.
A practical-ethical framework that has stood up. Twenty-three centuries of practice (with substantial gaps) is a serious test. The teaching that we are disturbed not by events but by our judgments about events has been confirmed by contemporary cognitive-behavioral psychology; the Stoic methods of attention have been integrated into modern therapy (especially CBT, which Aaron Beck explicitly drew on Stoicism to develop).
A political-philosophical resource. Stoic philosophy has, throughout its history, been substantially engaged with public-political life. [[marcus-aurelius|Marcus Aurelius]] wrote his [[meditations-marcus-aurelius|Meditations]] while emperor of Rome. The platform’s commitment to integrating contemplative life with public engagement finds substantial resource in the Stoic example.

Sources

[[marcus-aurelius|Marcus Aurelius]]. Meditations. (Multiple translations; see [[meditations]].) Source class: primary text.
[[epictetus|Epictetus]]. Discourses and Enchiridion. (Multiple translations; see [[epictetus]].) Source class: primary text.
Seneca. Letters from a Stoic (Epistulae Morales). (Multiple translations.) Source class: primary text.
[[pierre-hadot|Pierre Hadot]]. Philosophy as a Way of Life. Trans. Michael Chase. Blackwell, 1995. Source class: book / definitive philosophical study.
A.A. Long. Hellenistic Philosophy: Stoics, Epicureans, Sceptics. University of [[berkeley|California]] Press, 1986. Source class: book / scholarly survey.
Massimo Pigliucci. How to Be a Stoic. Basic Books, 2017. Source class: book / contemporary practice.

Lenses still to grow

The early Greek Stoa (Zeno, Cleanthes, Chrysippus) in greater detail.
The Stoic-Christian relationship — Stoic absorption into early Christian thought.
Contemporary Stoic practice as a continuing community.
Stoicism and CBT — the cognitive-behavioral therapy lineage.
Stoic political theory — the Stoic conception of cosmopolitanism.

What links here, and how

Inbound connections from across the wiki, grouped by lens and by relationship. These appear automatically — every entity page declares what it links to, and that data populates here on the targets.

Cultural

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Epictetus the most consequential teacher of late Stoic philosophy; the principal figure (alongside Marcus Aurelius and Seneca) through whom Stoicism survives in primary texts
Marcus Aurelius the most consequential Roman Stoic; the *Meditations* are the principal surviving record of late Stoic philosophy as practical-spiritual discipline
Pierre Hadot the principal modern philosopher to articulate the Stoic tradition (and the broader ancient philosophical tradition) as *philosophical exercises* — sustained practice rather than theoretical doctrine; foundational for the contemporary recovery
Seneca the most prolific surviving Roman Stoic; the principal source (with Marcus Aurelius and Epictetus) for late Stoic philosophy in primary text

part of

Meditations one of the principal surviving primary texts of late Roman Stoicism; widely read alongside Epictetus and Seneca as the foundation of contemporary Stoic practice

5 inbound links · 1 outbound