The war-function has grasped us so far; but the constructive interests may some day seem no less imperative, and impose on the individual a hardly lighter burden.

The minute a man ceases to grow, no matter what his years, that minute he begins to be old.

The suspicion is in the air nowadays that the superiority of one of our formulas to another may not consist so much in its literal 'objectivity,' as in subjective qualities like its usefulness, its 'elegance,' or its congruity with our residual beliefs

Objective evidence and certitude are doubtless very fine ideals to play with, but where on this moonlit and dream-visited planet are they found?

To be a real philosopher all that is necessary is to hate some one else's type of thinking.

Our esteem for facts has not neutralized in us all religiousness. It is itself almost religious. Our scientific temper is devout.

We are not only gregarious animals, liking to be in sight of our fellows, but we have an innate propensity to get ourselves noticed, and noticed favorably, by our kind.