Name: Plato
Lived: c. 427–347 BC, Athens, Greece
Known for: Philosopher and student of Socrates; teacher of Aristotle
Famous for: Founder of the Academy; author of philosophical dialogues exploring justice, politics, and the nature of reality
Note: The phrase “Courage is knowing what not to fear” is often attributed to Plato. In The Republic (c. 375 BC), he presents courage as a form of wisdom — the ability to discern what is truly worth fearing, and what is not.