If our minds could get hold of one abstract truth, they would be immortal so far as that truth is concerned. My trouble is to find out how we can get hold of the truth at all.

My rule in making up examination questions is to ask questions which I can't myself answer. It astounds me to see how some of my students answer questions which would play the deuce with me.

Average human nature is very coarse, and its ideals must necessarily be average. The world never loved perfect poise. What the world does love is commonly absence of poise, for it has to be amused.

The proof that a philosopher does not know what he is talking about is apt to sadden his followers before it reacts on himself.

Laplace would have found it child's-play to fix a ratio of progression in mathematical science between Descartes, Leibnitz, Newton and himself

Artists... disappeared long ago as social forces. So did the church.

Politics are a very unsatisfactory game.