Full Idea
The unexamined life is not worth living for men.
Gist of Idea
An unexamined life is not worth living.
Source
Plato (The Apology [c.398 BCE], 38a)
Book Reference
Plato: 'Complete Works', ed/tr. Cooper,John M. [Hackett 1997], p.33
A Reaction
Since 'Apology' is an early work, this idea seems certainly to originate in Socrates, rather than Plato. Until recently no one doubted it, but there have recently been some nice teasing protests against endless examination.