Experience makes more timid men than it does wise ones.
There are two kinds of fools: those who can't change their opinions and those who won't.
It's not only the most difficult thing to know one's self, but the most inconvenient.
Man isn't a fool for his ignorance, but rather for believing things that are wrong.
Men who have much to say use the fewest words.
We should make virtue our master, not our servant.