A life which goes excessively against natural impulse is... likely to involve effects of strain that may be quite as bad as indulgence in forbidden i….

It is only through imagination that men become aware of what the world might be; without it, ‘progress’ would become mechanical and trivial..

Literature is inexhaustible, with every book a homage to infinity.

Belief in a Divine mission is one of the many forms of certainty that have afflicted the human race..

What is wanted is not the will to believe, but the will to find out, which is the exact opposite..

When people begin to philosophize they seem to think it necessary to make themselves artificially stupid..

The observer, when he seems to himself to be observing a stone, is really, if physics is to be believed, observing the effects of the stone upon hims….

Envy ... is one form of a vice, partly moral, partly intellectual, which consists in seeing things never in themselves but only in their relations..

You are a wicked motorcar, and I shall not give you any more petrol until you go..

If you question any candid person who is no longer young, he is very likely to tell you that, having tasted life in this world, he has no wish to beg….

When I was a child . . . Only virtue was prized, virtue at the expense of intellect, health, happiness, and every mundane good..

A priori Logical propositions are such as can be known a priori without study of the actual world..

Science may set limits to knowledge, but should not set limits to imagination..

[The church] is in its major part an opponent still of progress and improvement in all the ways that diminish suffering in the world, because it has ….

The world that we must seek is a world in which the creative spirit is alive, in which life is an adventure full of joy and hope, based rather upon t….

Men fear thought as they fear nothing else on earth - more than ruin, more even than death. Thought is subversive and revolutionary, destructive and ….

Man can be scientifically manipulated..

One of the symptoms of approaching nervous breakdown is the belief that one's work is terribly important, and that to take a holiday would bring all ….

The military superiority of Europe to Asia is not an eternal law of nature, as we are tempted to think, and our superiority in civilization is a mere….

Who ever heard a theologian preface his creed, or a politician conclude his speech with an estimate of the probable error of his opinion?.

I feel life is so small unless it has windows into other worlds..