Much that passes as idealism is disguised hatred or disguised love of power..

Orthodoxy is the grave of intelligence, no matter what orthodoxy it may be..

Americans need rest, but do not know it. I believe this to be a large part of the explanation of the crime wave in the United States..

I resolved from the beginning of my quest that I would not be misled by sentiment and desire into beliefs for which there was no good evidence..

Of these austerer virtues the love of truth is the chief, and in mathematics, more than elsewhere, the love of truth may find encouragement for wanin….

Truth is a shining goddess, always veiled, always distant, never wholly approachable, but worthy of all the devotion of which the human spirit is cap….

There is a further advantage [to hydrogen bombs]: the supply of uranium in the planet is very limited, and it might be feared that it would be used u….

After ages during which the earth produced harmless trilobites and butterflies, evolution progressed to the point at which it generated Neros, Genghi….

A man who has once perceived, however temporarily and however briefly, what makes greatness of soul, can no longer be happy if he allows himself to b….

The use of self control is like the use of brakes on train. It is useful when you find yourself in wrong direction but merely harmful when the direct….

Facts have to be discovered by observation, not by reasoning.

Mathematics is, I believe, the chief source of the belief in eternal and exact truth, as well as a sensible intelligible world..

Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it..

The happy life is to an extraordinary extent the same as the good life..

Among human beings, the subjection of women is much more complete at a certain level of civilization than it is among savages. And the subjection is ….

When I say that children should be told about sex, I do not mean that they should be told only the bare physiological facts; they should be told what….

The only thing that will redeem mankind is cooperation ... it is common to wish well to oneself, but in our technically unified world, wishing well t….

If I were a medical man, I should prescribe a holiday to any patient who considered his work important..

Aristotle maintained that women have fewer teeth than men; although he was twice married, it never occurred to him to verify this statement by examin….

What's the difference between a bright, inquisitive five-year-old, and a dull, stupid nineteen-year-old? Fourteen years of the British educational sy….

Almost all education has a political motive: it aims at strengthening some group, national or religious or even social, in the competition with other….