In general people experience their present naively, as it were, without being able to form an estimate of its contents; they have first to put themselves at a distance from it - the present, that is to say, must have become the past - before it can yield points of vantage from which to judge the future.

Maturity is the ability to postpone gratification.

Opposition is not necessarily enmity.

Most people do not really want freedom, because freedom involves responsibility, and most people are frightened of responsibility.

Time spent with cats is never wasted.

The interpretation of dreams is the royal road to a knowledge of the unconscious activities of the mind.

A man's heterosexuality will not put up with any homosexuality, and vice versa.