No one sees further into a generalization than his own knowledge of detail extends.

I have often thought the best way to define a man's character would be to seek out the particular mental or moral attitude in which, when it comes upon him, he felt himself most deeply and intensely active and alive. At such moments there is a voice inside which speaks and says: This is the real me!.

To know psychology, therefore, is absolutely no guarantee that we shall be good teacher.

It is not probable that the reader will be satisfied with any of these solutions, and contemporary philosophers, even rationalistically minded ones, have on the whole agreed that no one has intelligibly banished the mystery of fact.

Once a decision is reached, stop worrying and start working.

Good-humor is a philosophic state of mind; it seems to say to Nature that we take her no more seriously than she takes us. I maintain that one should always talk of philosophy with a smile.

It is wrong always, everywhere, and for everyone, to believe anything upon insufficient evidence.