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.

It is the office of the school environment to balance the various elements in the social environment, and to see to it that each individual gets an opportunity to escape from the limitations of the social group in which he was born, and to come into living contact with a broader environment.

It is obvious to any observer that in every western country the increase of importance of public schools has been at least coincident with the relaxation of older family ties.

The only thing that is unqualifiedly given is the total pervasive quality; and the objection to calling it "given" is that the word suggests something to which it is given, mind or thought or consciousness or whatever, as well possibly as something that gives.

Even when a person is frightened by threats into doing something, the threats work only because the person has an instinct of fear. If he has not, or if, though having it, it is under his own control, the threat has no more influence upon him than light has in causing a person to see who has no eyes.

Without the English, reason and philosophy would still be in the most despicable infancy in France.

...compartmentalization of occupations and interests bring about a separation of that mode of activity commonly called 'practice' from insight; of imagination from executive 'doing.' Each of these activities is then assigned its own place in which it must abide. Those who write the anatomy of experience then suppose that these divisions inhere in the very constitution of human nature.