One of the main causes of trouble in the world is dogmatic and fanatical belief in some doctrine for which there is no adequate evidence

One's work is never so bad as it appears on bad days, nor so good as it appears on good days.

If the West can claim superiority in anything, it is . . . in science and scientific technique.

Bad philosophers may have a certain influence; good philosophers, never.

Advocates of capitalism are very apt to appeal to the sacred principles of liberty, which are embodied in one maxim: The fortunate must not be restrained in the exercise of tyranny over the unfortunate.

The main things which seem to me important on their own account, and not merely as means to other things, are knowledge, art, instinctive happiness, and relations of friendship or affection.

As men begin to grow civilized, they cease to be satisfied with mere taboos.