A friend who cannot at a pinch remember a thing or two that never happened is as bad as one who does not know how to forget.

If life must not be taken too seriously, then so neither must death.

Think of and look at your work as though it were done by your enemy. I you look at it to admire it, you are lost.

My main wish is to get my books into other people's rooms, and to keep other people's books out of mine.

It is a wise tune that knows its own father, and I like my music to be the legitimate offspring of respectable parents.

Morality is the custom of one's country and the current feeling of one's peers.

An apology for the devil: it must be remembered that we have heard one side of the case. God has written all the books.