Man can be stimulated by hope or driven by fear, but the hope and the fear must be vivid and immediate if they are to be effective without producing weariness.

Science is what you know, philosophy is what you don't know.

From the height of their disillusionment they look down upon those whom they despise as simple souls. For my part I have no sympathy with this outlook. All disenchantment is to me a malady, which, it is true, certain circumstances may render inevitable, but which none the less, when it occurs, is to be cured as soon as possible, not to be regarded as a higher form of wisdom.

The wise use of leisure, it must be conceded, is a product of civilization and education.

It would have been very much better for the world if Britain had remained neutral and the Germans had won a quick victory. We should not have had either the Nazis or the Communists if that had happened.

Sir Arthur Eddington deduces religion from the fact that atoms do not obey the laws of mathematics. Sir James Jeans deduces it from the fact that they do.

Any philosophy worth taking seriously would have to be built upon a firm foundation of unyielding despair.