The deadliest foe to virtue would be complete self-knowledge.
The one self-knowledge worth having is to know one's own mind.
The world is the best of all possible worlds, and everything in it is a necessary evil.
There are those who so dislike the nude that they find something indecent in the naked truth.
The secret of happiness is to admire without desiring. And that is not happiness.
True penitence condemns to silence. What a man is ready to recall he would be willing to repeat.