Prefer diligence before idleness, unless you esteem rust above brightness.

He is unworthy of the name of man who is ignorant of the fact that the diagonal of a square is incommensurable with its side.

Where it is a general rule that it is wrong to gratify lovers, this can be attributed to the defects of those who make that rule: the government's lust for rule and the subjects' cowardice.

Pleasure is the greatest incentive to evil.

The soul of man is immortal and imperishable.

Train children not by compulsion but as if they were playing.

The best stomachs are not those which reject all foods.