A new idea is first condemned as ridiculous and then dismissed as trivial, until finally, it becomes what everybody knows.

Man lives for science as well as bread.

Pragmatism asks its usual question. "Grant an idea or belief to be true," it says, "what concrete difference will its being true make in anyone's actual life? How will the truth be realized? What experiences will be different from those which would obtain if the belief were false? What, in short, is the truth's cash-value in experiential terms?

For morality life is a war, and the service of the highest is a sort of cosmic patriotism which also calls for volunteers.

I take it that no man is educated who has never dallied with the thought of suicide.

A great many people think they are thinking when they are merely rearranging their prejudices.

Truth in our ideas means their power to work.