Nothing is more disgraceful than insincerity.

Man's life is ruled by fortune, not by wisdom.

Let us not listen to those who think we ought to be angry with our enemies, and who believe this to be great and manly. Nothing is so praiseworthy, nothing so clearly shows a great and noble soul, as clemency and readiness to forgive.

No well-informed person has declared a change of opinion to be inconstancy.

Great is the power, great is the authority of a senate that is unanimous in its opinions.

It is virtue itself that produces and sustains friendship, not without virtue can friendship by any possibility exist.

A youth of sensuality and intemperance delivers over to old age a worn-out body.