All our science is just a cookery book, with an orthodox theory of cooking that nobody's allowed to question, and a list of recipes that mustn't be added to except by special permission from the head cook.

The present moment is the only aperture through which the soul can pass out of time into eternity, through which grace can pass out of eternity into the soul, and through which love can pass from one soul in time to another soul in time.

I like being myself. Myself and nasty.

Some of the greatest advances in mathematics have been due to the invention of symbols, which it afterwards became necessary to explain; from the minus sign proceeded the whole theory of negative quantities.

A democracy which makes or even effectively prepares for modern, scientific war must necessarily cease to be democratic. No country can be really well prepared for modern war unless it is governed by a tyrant, at the head of a highly trained and perfectly obedient bureaucracy.

One cubic centimeter cures ten gloomy sentiments.

The impulse to cruelty is, in many people, almost as violent as the impulse to sexual love - almost as violent and much more mischievous.