May I consider the wise man rich, and may I have such wealth as only the self-restrained man can bear or endure.
The more I learn, the less I realize I know.
The more I know, the more I know that I don't know.
The man who is truly wise knows that he knows very little.
I know one thing, that I know nothing.
Not life, but good life, is to be chiefly valued." "It is not living that matters, but living rightly. The unexamined life is not worth living.