Don't gain the world and lose your soul, wisdom is better than silver or gold.

Here the ways of men part: if you wish to strive for peace of soul and pleasure, then believe; if you wish to be a devotee of truth, then inquire.

Nothing is so necessary for a young man as the company of intelligent women.

We can know only that we know nothing. And that is the highest degree of human wisdom.

Read less, study less, but think more.

Mysterious language is not a sign of wisdom. The wiser a person is, the simpler the language he uses to express his thoughts.