There are two ways to resolve conflicts, through violence or through negotiation. Violence is for wild beasts, negotiation is for human beings.

The well-known old remark of Cato, who used to wonder how two soothsayers could look one another in the face without laughing.

A happy life consists in tranquility of mind.

No one has leave to sin.

Friendship is nothing else than entire fellow feeling as to all things human and divine with mutual good-will and affection; and I doubt whether anything better than this, wisdom alone excepted, has been given to man.

No one has lived a short life who has performed its duties with unblemished character.

I cease not to advocate peace; even though unjust it is better than the most just war.