The effects which follow too constant and intense a concentration upon evil are always disastrous. Those who crusade, not for God in themselves, but against the devil in others, never succeed in making the world better, but leave it either as it was, or sometimes even perceptibly worse than it was, before the crusade began. By thinking primarily of evil we tend, however excellent our intentions, to create occasions for evil to manifest itself.

Man is so intelligent that he feels impelled to invent theories to account for what happens in the world. Unfortunately, he is not quite intelligent enough, in most cases, to find correct explanations. So that when he acts on his theories, he behaves very often like a lunatic.

which is better - to be born stupid into an intelligent society or intelligent into an insane one?

The consistent thinker, the consistently moral man, is either a walking mummy or else, if he has not succeeded in stifling all his vitality, a fanatical monomaniac.

Results only come to those who master the paradoxical art of doing and not doing, of letting go as a person in order that the immanent and transcendent unknown quantity may take hold. We cannot make ourselves understand; the most we can do is to foster a state of mind in which understanding may come to us.

Everyone belongs to everyone else.

Asceticism, it is evident, has a double motivation. If men and women torment their bodies, it is not only because they hope in this way to atone for past sins and avoid future punishments; it is also because they long to visit the mind's antipodes and do some visionary sightseeing.