Science, like life, feeds on its own decay. New facts burst old rules; then newly divined conceptions bind old and new together into a reconciling law.

You can alter your life by altering the state of your mind.

Let sanguine healthy-mindedness do its best with its strange power of living in the moment and ignoring and forgetting, still the evil background is really there to be thought of, and the skull will grin in at the banquet.

The science of logic never made a man reason rightly, and the science of ethics never made a man behave rightly. The most such sciences can do is to help us to catch ourselves up and check ourselves, if we start to reason or to behave wrongly; and to criticise ourselves more articulately after we have made mistakes.

It is as if there were in the human consciousness a sense of reality, a feeling of objective presence, a perception of what we may call something there, more deep and more general than any of the special and particular senses by which the current psychology supposes existent realities to be originally revealed.

Most people never run far enough on their first wind to find out they've got a second.

The teacher's prime concern should be to ingrain into the pupil that assortment of habits that shall be most useful to him throughout life. Education is for behavior, and habits are the stuff of which behavior consists.