Theaetetus

A young mathematician is carried home from the army at Corinth, wounded and scarcely alive. His old friend remembers that Socrates once predicted he would become a great man—if he lived.

In ancient Athens, the mathematician Theodorus brings the brilliant, gentle Theaetetus to Socrates’ attention. Socrates welcomes him with a game of questions, then sets aside geometry for a harder puzzle: what is knowledge? Theaetetus must test his ideas against a mind that turns every confident answer into another question, while discovering whether intelligence alone can lead to wisdom. Can the young man give knowledge a definition that will hold?

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