The essence of genius is to know what to overlook.

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.

Don't preach too much to your pupils or abound in good talk in the abstract. Lie in wait rather for the practical opportunities, be prompt to seize those as they pass, and thus at one operation get your pupils both to think, to feel, and to do.

Compared to what we ought to be, we are only half awake. We are making use of only a small part of our physical and mental resources. Stating the thing broadly, the human individual thus lives far within his limits. He possesses power of various sorts which he habitually fails to use.

The great use of life is to spend it for something that will outlast it." "This life is worth living, we can say, since it is what we make it." "Believe that life is worth living and your belief will help create the fact.

A good hypothesis in science must have other properties than those of the phenomenon it is immediately invoked to explain, otherwise it is not prolific enough.

There is but one cause of human failure. And that is man's lack of faith in his true Self.