When you are offended at any man's fault, turn to yourself and study your own failings. Then you will forget your anger.
Control thy passions lest they take vengeance on thee.
First say to yourself what you would be; and then do what you have to do.
He who exercises wisdom, exercises the knowledge which is about God.
Be careful to leave your sons well instructed rather than rich, for the hopes of the instructed are better than the wealth of the ignorant.
Men are disturbed not by the things that happen, but by their opinion of the things that happen.