Science ... in other words, knowledge-is not the enemy of religion; for, if so, then religion would mean ignorance. But it is often the antagonist of school-divinity.

I dare say that I have worked off my fundamental formula on you that the chief end of man is to frame general propositions and that no general proposition is worth a damn.

Carve every word before you let it fall.

But when men have realized that time has upset many fighting faiths, they may come to believe...that the best test of truth is the power of the thought to get itself accepted in the competition of the market... That at any rate is the theory of our constitution.

Detached reflection cannot be demanded in the presence of an uplifted knife.

But I have long thought that if you knew a column of advertisements by heart, you could achieve unexpected felicities with them. You can get a happy quotation anywhere if you have the eye.

As for the excellent little wretches who grow up in what they are taught, with never a scruple or a query, ... they signify nothing in the intellectual life of the race.