No satisfaction based upon self-deception is solid.

There are certain things that our age needs, and certain things that it should avoid. It needs compassion and a wish that mankind should be happy; it needs the desire for knowledge and the determination to eschew pleasant myths; it needs, above all, courageous hope and the impulse to creativeness.

Punctuality is a quality the need of which is bound up with social co-operation.

The fact that all Mathematics is Symbolic Logic is one of the greatest discoveries of our age; and when this fact has been established, the remainder of the principles of mathematics consists of the analysis of Symbolic Logic itself.

Into every tidy scheme for arranging the pattern of human life, it is necessary to inject a certain dose of anarchism.

John Locke invented common sense, and only Englishmen have had it ever since!

When the intensity of emotional conviction subsides, a man who is in the habit of reasoning will search for logical grounds in favour of the belief which he finds in himself.