It science involves an intelligent and persistent endeavor to revise current beliefs so as to weed out what is erroneous, to add to their accuracy, and, above all, to give them such shape that the dependencies of the various facts upon one another may be as obvious as possible.

Where there is giving there must be taking.

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.

There is, I think, no point in the philosophy of progressive education which is sounder than its emphasis upon the importance of the participation of the learner in the formation of the purposes which direct his [sic] activities in the learning process, just as there is no defect in traditional education greater than its failure to secure the active cooperation of the pupil in construction of the purposes involved in his studying.

Forty years spent in wandering in a wilderness like that of the present is not a sad fate - unless one attempts to make himself believe that the wilderness is after all itself the promised land.

One of the saddest things about US education is that the wisdom of our most successful teachers is lost to the profession when they retire.

Thinking is the accurate and deliberate instituting of connections between what is done and its consequences.