Some experiences are mis-educative. Any experience is mis-educative that has the effect of arresting or distorting the growth of further experience.

Just because life signifies not bare passive existence (supposing there is such a thing), but a way of acting, environment or medium signifies what enters into this activity as a sustaining or frustrating condition.

Without initiation into the scientific spirit one is not in possession of the best tools which humanity has so far devised for effectively directed reflection. One in that case not merely conducts inquiry and learning without the use of the best instruments, but fails to understand the full meaning of knowledge.

A large part of the art of instruction lies in making the difficulty of new problems large enough to challenge thought, and small enough so that, in addition to the confusion naturally attending the novel elements, there shall be luminous familiar spots from which helpful suggestions may spring.

A good aim surveys the present state of experience of pupils, and forming a tentative plan of treatment, keeps the plan constantly in view and yet modifies it as conditions develop. The aim, in short, is experimental, and hence constantly growing as it is tested in action.

...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.

Nothing takes root in mind when there is no balance between doing and receiving.