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: “Knowledge is the food of the soul” appears in Benjamin Jowett’s translation of Plato’s Protagoras (313c), spoken by Socrates. It presents learning as nourishment for the soul, while emphasizing the importance of choosing what we learn carefully.