The world is the best of all possible worlds, and everything in it is a necessary evil.
The secret of happiness is to admire without desiring. And that is not happiness.
His mind is so open - so open that ideas simply pass through it.
There are persons who, when they cease to shock us, cease to interest us.
The propriety of some persons seems to consist in having improper thoughts about their neighbors.
The cost of a thing is what I call life which has to be exchanged for it, immediately or in the long run.