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

A drop of water is not immortal; it can be resolved into oxygen and hydrogen. If, therefore, a drop of water were to maintain that it had a quality of aqueousness which would survive its dissolution we should be inclined to be skeptical. In like manner we know that the brain is not immortal.

Right conduct can never, except by some rare accident, be promoted by ignorance or hindered by knowledge.

The megalomaniac differs from the narcissist by the fact that he wishes to be powerful rather than charming, and seeks to be feared rather than loved. To this type belong many lunatics and most of the great men of history.

War grows out of ordinary human nature.

The first essential character [of civilization], I should say, is forethought. This, indeed, is what mainly distinguishes men from brutes and adults from children.

The finding of arguments for a conclusion given in advance is not philosophy, but special pleading