The cost of a thing is what I call life which has to be exchanged for it, immediately or in the long run.
The world is the best of all possible worlds, and everything in it is a necessary evil.
Up to a certain point every man is what he thinks he is.
The one self- knowledge worth having is to know one's own mind.
But when one has ceased to have them, too often one cannot.
There are those who so dislike the nude that they find something indecent in the naked truth.