Tension without cosmic pulsation to animate it is the transition to nothingness

If you are clever enough to figure out what men want, you are either too wise to marry them or too intimidating for them to marry you.

Philosophy, the love of Wisdom, is at the very bottom defence against the incomprehensible.

Christian theology is the grandmother of Bolshevism.

When the ordinary thought of a highly cultivated people begins to regard 'having children' as a question of pro's and con's, the great turning point has come.

And the National Socialists believe that they can afford to ignore the world or oppose it, and build their castles-in-the-air without creating a possibly silent, but very palpable reaction from abroad.

The mathematic, then, is an art. As such it has its styles and style periods. It is not, as the layman and the philosopher (who is in this matter a layman too) imagine, substantially unalterable, but subject like every art to unnoticed changes form epoch to epoch. The development of the great arts ought never to be treated without an (assuredly not unprofitable) side-glance at contemporary mathematics.