A piece of advice always contains an implicit threat, just as a threat always contains an implicit piece of advice.

A woman who does not become the slave of just one man becomes the slave of all men.

The man who spends all his time looking up to heaven is not always the best; in fact, he is usually the worst.

Theology is the logic of the Devil.

A rocket is an experiment; a star is an observation.

The quality of a man's mind can generally be judged by the size of his wastepaper basket.

The most original sin is not the thinker's but the poet's.