Sexual intercourse is a slight attack of apoplexy.

I am the most travelled of all my contemporaries; I have extended my field of enquiry wider than anybody else, I have seen more countries and climes, and have heard more speeches of learned men. No one has surpassed me in the composition of lines, according to demonstration, not even the Egyptian knotters of ropes, or geometers.

It is hard to fight against anger: to master it is the mark of a rational man.

To a wise man, the whole earth is open; for the native land of a good soul is the whole earth.

Good breeding in cattle depends on physical health, but in men on a well-formed character.

The brave man is not only he who overcomes the enemy, but he who is stronger than pleasures. Some men are masters of cities, but are enslaved to women.

The wrongdoer is more unfortunate than the man wronged.