You perceive now, my friends, what your general or abstract duty is as teachers. Although you have to generate in your pupils a large stock of ideas, any one of which may be inhibitory, yet you must also see to it that no habitual hesitancy or paralysis of the will ensues, and that the pupil still retains his power of vigorous action.

But it is the bane of psychology to suppose that where results are similar, processes must be the same. Psychologists are too apt to reason as geometers would, if the latter were to say that the diameter of a circle is the same thing as its semi-circumference, because, forsooth, they terminate in the same two points.

The only function that one experience can perform is to lead into another experience; and the only fulfillment we can speak of isthe reaching of a certain experienced end. When one experience leads to (or can lead to) the same end as another, they agree in function.

Man can alter his life by altering his thinking.

Psychology saves us from mistakes. It makes us more clear as to what we are about. We gain confidence in respect to any method which we are using as soon as we believe that it has theory as well as practice at its back.

All natural goods perish. Riches take wings; fame is a breath; love is a cheat; youth and health and pleasure vanish.

You may not get everything you dream about, but you will never get anything you don't dream about.