As you say, I am honoured and famous and rich. But as I have to do all the hard work, and suffer an increasing multitude of fools gladly, it does not feel any better than being reviled, infamous and poor, as I used to be.

Though all society is founded on intolerance, all improvement is founded on tolerance.

As I write, there is a craze for what is called psychoanalysis, or the cure of diseases by explaining to the patient what is the matter with him: an excellent plan if you happen to know what is the matter with him, especially when the explanation is that there is nothing the matter with him.

Do you think that the things people make fools of themselves about are any less real and true than the things they behave sensibly about? They are more true: they are the only things that are true.

I am a sort of collector of religions: and the curious thing is that I find I can believe in them all.

But a mother is like a broomstick or like the sun in the heavens, it does not matter which as far as one's knowledge of her is concerned: the broomstick is there and the sun is there; and whether the child is beaten by it or warmed and enlightened by it, it accepts it as a fact in nature, and does not conceive it as having had youth, passions, and weaknesses, or as still growing, yearning, suffering, and learning.

Science becomes dangerous only when it imagines that it has reached its goal.