To have and not to give is often worse than to steal.

An aphorism is the last link in a long chain of thought.

Authors from whom others steal should not complain, but rejoice. Where there is no game there are no poachers.

Nobody knows enough, but many know too much.

It's bad enough when married people bore one another, but it's much worse when only one of them bores the other.

Oh happy pessimists! What a joy it is to them to be able to prove again and again that there is no joy.

We don't believe in rheumatism and true love until after the first attack.