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.

In laying hands upon the sacred ark of absolute permanency, in treating the forms that had been regarded as types of fixity and perfection as originating and passing away, the Origin of Species introduced a mode of thinking that in the end was bound to transform the logic of knowledge, and hence the treatment of morals, politics, and religion.

As long as politics is the shadow cast on society by big business, the attenuation of the shadow will not change the substance.

Scientific principles and laws do not lie on the surface of nature. They are hidden, and must be wrested from nature by an active and elaborate technique of inquiry.

To the being of fully alive, the future is not ominous but a promise; it surrounds the present like a halo.

I believe that the only true education comes through the stimulation of the child's powers by the demands of the social situations in which he finds himself.

Within even the most social group there are many relations that are not as yet social.