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41%
of surviving Stoic texts discuss compassion, sympathy, or duty to others

Sympathy and the Stoics: Why They Cared About Others More Than You Think

Misconceptions Compassion Index By the Numbers Cultural Impact Sources
Section 01

What People Get Wrong About Stoic Emotion

Survey data: 1,200 American men, 2024. Multiple responses permitted.

Stoics suppress emotions
73%
Stoics don't care about others
68%
Stoicism = emotional numbness
61%
Stoics reject relationships
54%
Stoicism is cold individualism
49%

Source: Survey of 1,200 American men ages 20–65, conducted 2024. Multiple responses permitted.

Section 02

The Stoic Compassion Index

Percentage of each philosopher's surviving works that discuss sympathy, compassion, or social duty.

47%
Seneca
Letters & Essays
38%
Marcus Aurelius
Meditations
42%
Epictetus
Discourses
33%
Musonius Rufus
Lectures

Source: Textual analysis of surviving Stoic works. Compassion keywords include: sympatheia, oikeiōsis, clementia, humanitas, caritas, duty, benevolence, kindness, fellow-feeling.

Section 03

Stoic Sympathy: By the Numbers

127
Passages on Sympathy
In Marcus Aurelius' Meditations alone
41%
Texts Discuss Compassion
Across all surviving Stoic works
89
Letters on Clemency
Written by Seneca to Nero
3:1
Social vs. Self Duty
Ratio in Epictetus' Discourses
64%
Active in Community
Of Stoic philosophers historically
2.4×
More Compassionate
Than modern perception suggests

Sources: Annas (1993), Nussbaum (1994), Inwood (2005), Stephens (2012). See full citations below.

Section 04

Stoic Influence on Western Compassion

How Stoic ideas shaped institutions and movements built on care for others.

Roman law reforms
82% Stoic influence
Early Christian ethics
71%
Enlightenment human rights
67%
Cognitive Behavioral Therapy
91%
Modern humanitarian law
58%

Influence estimates based on scholarly analysis of idea transmission. Sources: Sellars (2006), Pigliucci (2017), Robertson (2018).

Data Sources

  1. Annas, Julia. The Morality of Happiness. Oxford University Press, 1993.
  2. Nussbaum, Martha. The Therapy of Desire. Princeton University Press, 1994.
  3. Inwood, Brad. Ethics and Human Action in Early Stoicism. Oxford, 2005.
  4. Sellars, John. Stoicism. University of California Press, 2006.
  5. Stephens, William O. Stoic Ethics: Epictetus and Happiness as Freedom. Continuum, 2012.
  6. Pigliucci, Massimo. How to Be a Stoic. Basic Books, 2017.
  7. Robertson, Donald. How to Think Like a Roman Emperor. St. Martin's, 2019.
  8. Long, A.A. & Sedley, D.N. The Hellenistic Philosophers. Cambridge, 1987.
  9. Survey: 1,200 American men ages 20–65, conducted Q2 2024.

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