Laughter means: taking a mischievous delight in someone else's uneasiness, but with a good conscience.

The perfect woman is a higher type of humanity than the perfect man, and also something much rarer. The natural history of animals furnishes grounds in support of this theory.

To recognize untruth as a condition of life--that certainly means resisting accustomed value feelings in a dangerous way; and a philosophy that risks this would by that token alone place itself beyond good and evil.

Mothers easily become jealous of their sons' friends when they are particularly successful. As a rule a mother loves herself in her son more than she does the son himself.

Did you ever say yes to a pleasure? oh my friends, then you also said yes to all pain. all things are linked, entwined, in love with one another.

We have to learn how to come out of unclean situations cleaner than we were, and even how to wash ourselves with dirty water whenwe need to.

The existence of forgetting has never been proved: We only know that some things don't come to mind when we want them.