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How did Stoicism develop from the ideas of Socrates and Plato?
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History of ethics
Greek philosopher and mathematician Pythagoras, portrait bust.
Stoicism originated from the philosophical foundations laid by Socrates and Plato, later being modified and systematized by Zeno of Citium and Chrysippus.12
The development of Stoic thought from these predecessors involved several key shifts:
- Regulation of Passions: While Plato argued that human passions and physical desires required regulation by reason, the Stoics went further by rejecting passions entirely as a basis for moral judgment. They maintained that only reason can determine what is good or bad.12
- Wisdom and Virtue: Building on the Socratic emphasis on wisdom, the Stoics identified the pursuit of wisdom and virtue as the only true good. They taught that a wise person identifies with reason rather than physical desire, remaining untouched by external circumstances or physical pain.12
- Universal Reason: The Stoics expanded the Socratic and Platonic focus on the individual to a broader conviction that all human beings share a capacity for reason. This belief led to the development of natural law and a sense of cosmopolitanism, asserting that all individuals are fellow citizens in a community of rational beings.132
Zeno, who studied at Plato’s Academy, integrated these ideas into a structured framework of logic, physics, and ethics.3