Plato (~428-~348 BC) - One of the greatest and most influential Greek
philosophers, he was a disciple of Socrates and the teacher of Aristotle.
Most of his works are written dialogues, many with Socrates as the main
character. Plato founded a school of philosophy known as the Academy.
Lysis (380 BC) - Socrates, Lysis, and Menexenus try to define friendship.
The dialogue leads to a confession of ignorance.
