The absolute pacifist is a bad citizen; times come when force must be used to uphold right, justice and ideals.

I have always noticed that deeply and truly religious persons are fond of a joke, and I am suspicious of those who aren't.

Mathematics, in its widest significance, is the development of all types of formal, necessary, deductive reasoning.

The foundations of the world are to be found, not in the cognitive experience of conscious thought, but in the aesthetic experience of everyday life.

Other nations of different habits are not enemies: they are godsends. Men require of their neighbours something sufficiently akin to be understood, something sufficiently different to provoke attention, and something great enough to command admiration. We must not expect, however, all the virtues.

Education should turn out the pupil with something he knows well and something he can do well.

The total absence of humor from the Bible is one of the most singular things in all literature.