A knowledge of the existence of something we cannot penetrate, of the manifestations of the profoundest reason and the most radiant beauty - it is this knowledge and this emotion that constitute the truly religious attitude; in this sense, and in this alone, I am a deeply religious man.

The content of scientific theory itself offers no moral foundation for the personal conduct of life.

The flag is a symbol of the fact that man is still a herd animal.

If you want to make your children brilliant, tell them fairy tales. If you want to make them more brilliant, tell them more fairy tales.

Heroism on command, senseless violence, and all the loathsome nonsense that goes by the name of patriotism - how passionately I hate them!

It's not that I'm so smart.

The individual feels the vanity of human desires and aims, and the nobility and marvelous order which are revealed in nature and in the world of thought. He feels the individual destiny as an imprisonment and seeks to experience the totality of existence as a unity full of significance.