Sympatheia — sometimes rendered as sympathy or cosmic sympathy — is the Stoic doctrine that all things in the cosmos are interconnected, that the cosmos is a single living whole, and that every part participates in and is affected by the condition of every other part. It is the physical doctrine that underlies Stoic cosmopolitanism, the ethical claim that all rational beings are members of a single world community, and the therapeutic practice of recognizing your own situation as part of a larger order.
The term comes from the Greek syn (together) and paschein (to experience or suffer) — to experience together, to be affected together. In Stoic physics, sympatheia names the physical interconnection of all parts of the cosmos through the pneuma — the active, rational principle — that pervades everything. In Stoic ethics and therapy, it names the recognition of that interconnection and its implications for how you understand your place in the world.
Marcus Aurelius invokes sympatheia throughout the Meditations as both a physical fact and a practical orientation. The cosmos is one. What affects one part affects the whole. You are not an isolated individual facing an indifferent universe — you are a part of a rational whole, constitutively connected to every other part, and your actions ripple outward into a web of relations that extends far beyond what you can observe.
"Constantly regard the universe as one living being, having one substance and one soul; and observe how all things have reference to one perception, the perception of this one living being."
— Marcus Aurelius, Meditations, IV.40, trans. George Long
The Physical Doctrine
The Stoic account of sympatheia begins in physics. The cosmos is not a collection of independent material objects that happen to be spatially proximate. It is a single living whole, unified by the pneuma — the active, rational, fire-like material principle — that pervades all matter and organizes it from within.
Because the pneuma pervades everything, all things are in a state of mutual affect — what happens in one part of the cosmos has effects, however attenuated, throughout the whole. This is not mere poetic metaphor. The Stoics took it as a physical claim, and they used it to account for phenomena that contemporary science would explain through different mechanisms: the mutual effects of celestial bodies on terrestrial events, the resonance of musical strings, the apparent sympathy between distant things observed in nature.
The Stoic Marcus Aurelius and the Stoic tradition generally were less interested in the scientific applications of sympatheia than in its cosmological and ethical implications. If the cosmos is a single living whole, then the question of how to live cannot be answered simply by asking what is good for the individual. It requires asking what is good for the whole — what an individual's place in the larger order implies for how they should act.
Sympatheia and Cosmopolitanism
The most important ethical implication of sympatheia is the foundation it provides for Stoic cosmopolitanism — the idea that all rational beings are citizens of a single world community, bound together by their shared rationality and their shared participation in the cosmic order. This connects directly to the doctrine of oikeiosis — the natural extension of concern from self to all of humanity.
The cosmopolitan claim is that the ordinary divisions between people — national, cultural, class — are secondary to the primary unity that all rational beings share. The Stoics expressed this through the concept of the common city (koinē polis) of rational beings, presided over by the Logos, to which all rational beings belong regardless of their particular political community.
Marcus Aurelius develops this idea in terms that draw explicitly on sympatheia:
"My city and country, so far as I am Antoninus, is Rome, but so far as I am a man, it is the world."
— Marcus Aurelius, Meditations, VI.44, trans. George Long
The claim is not that national or local community is irrelevant. Marcus was deeply committed to Rome and to his duties as emperor. It is that the local community exists within a larger community — the community of rational beings — and that obligations to the larger community set the context within which obligations to the local community are exercised.
Epictetus makes the same point from a different social position. He had been a slave — a person whom Roman law and custom treated as without civic standing. His argument that all rational beings are citizens of the world community is both a philosophical claim and a personal one: the community that matters is not the one that has the power to enslave you.
Sympatheia and the Common Good
The practical implications of sympatheia for everyday life are worked out through the concept of the common good — the idea that your actions as a rational being should be oriented not just toward your own wellbeing but toward the wellbeing of the whole of which you are a part.
This is not selflessness in the sense of sacrificing your own interests for others. It is the recognition that your genuine interests, properly understood, are not separable from the interests of the community of which you are a part. You are not a self-sufficient atom whose interactions with other atoms are purely external. You are, constitutively, a part of a web of relationships, a member of a community, a rational being in a world of rational beings.
Marcus returns to this point in his characteristic self-reminders: when he is tempted to withdraw from public life, to act for his own comfort rather than the common good, to treat the people he governs as obstacles rather than members of the same rational community, he reminds himself of sympatheia — of the fact that he is a part, not a whole, and that the part exists in service of the whole.
"What injures the hive injures the bee."
— Marcus Aurelius, Meditations, VI.54, trans. Gregory Hays
This is the practical application of sympatheia: the recognition that your wellbeing is not separable from the wellbeing of the community, that what harms the whole harms each part, and that acting for the common good is not a sacrifice of self-interest but its expression.
Sympatheia and Acceptance
Sympatheia also grounds the Stoic practice of acceptance — the willingness to accept whatever happens as part of the rational order of the whole.
If the cosmos is a single living whole, rationally governed, then what happens in your individual life is not an arbitrary intrusion of chance into an otherwise orderly world. It is part of the pattern — part of what the rational order of the whole requires at that moment. The specific events of your life are not separable from the cosmos of which they are part; to resist them irrationally is to resist the rational order itself.
This is the physical grounding for what Marcus calls amor fati — the love of fate — and for the broader Stoic practice of accepting what cannot be changed while acting fully within what can. Sympatheia says: you are part of a rational whole; what happens to the part is part of what the rational whole requires; the appropriate response is to find the rational response to your circumstances rather than to rail against the fact that the circumstances exist.
"Love only what comes to you and is fated for you. What could suit you better than that?"
— Marcus Aurelius, Meditations, VII.57, trans. Gregory Hays
Primary Sources
- Marcus Aurelius. Meditations. Trans. Gregory Hays. Modern Library, 2002. IV.40, VI.38, VI.44, VI.54, VII.9, IX.9.
- Epictetus. Discourses. Trans. Robin Hard. Oxford University Press, 2014. I.9.
- Diogenes Laërtius. Lives of the Eminent Philosophers, Book 7. Trans. R.D. Hicks. Available via Perseus Digital Library.
Further Reading
- Long, A.A. Hellenistic Philosophy. University of California Press, 1986.
- Schofield, Malcolm. The Stoic Idea of the City. Cambridge University Press, 1991. The standard study of Stoic cosmopolitanism.
- Hadot, Pierre. The Inner Citadel: The Meditations of Marcus Aurelius. Trans. Michael Chase. Harvard University Press, 1998.
- Nussbaum, Martha C. The Therapy of Desire. Princeton University Press, 1994.