One's only real life is the life one never leads.

A passion for pleasure is the secret of remaining young.

Murder is always a mistake. One should never do anything that one cannot talk about after dinner.

Circumstances should never alter principles!

I see that any materialism in life coarsens the soul, and that the hunger of the body and the appetites of the flesh desecrate always, and often destroy.

There is one thing worse than an absolutely loveless marriage: a marriage in which there is love, but on one side only.

Other people are quite dreadful. The only possible society is oneself.