The interaction of knowledge and skills with experience is key to learning.

If the eyes are open and there is light, seeing occurs; the stimulus is but a condition of the fulfillment of the proper function of the organ, not an outside interruption. To some extent, then, all direction or control is a guiding of activity to its own end; it is an assistance in doing fully what some organ is already tending to do.

Education must be understood as growth, or the facilitation of growth.

What, after all, is the public under present conditions? What are the reasons for its eclipse? What hinders it from finding and identifying itself? By what means shall its inchoate and amorphous estate be organized into effective political action relevant to present social needs and opportunities? What has happened to the public in the century and a half since the theory of political democracy was urged with such assurance and hope?

Every great advance in science has issued from a new audacity of imagination. What are now working conceptions, employed as a matter of course because they have withstood the tests of experiment and have emerged triumphant, were once speculative hypotheses.

Confidence is directness and courage in meeting the facts of life.

One might as well say he has sold when no one has bought as to say he has taught when no one has learned.