You can teach students to develop the ability to think reflectively, and you can help them understand what this means, but if they are not inclined to do so they never will.

Everything which bars freedom and fullness of communication sets up barriers that divide human beings into sets and cliques, into antagonistic sects and factions, and thereby undermines the democratic way of life.

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.

There is no god and there is no soul. Hence, there is no need for the props of traditional religion. With dogma and creed excluded, then immutable truth is dead and buried. There is no room for fixed and natural law or permanent moral absolutes.

But the individual butterfly or earthquake remains just the unique existence which it is. We forget in explaining its occurrence that it is only the occurrence that is explained, not the thing itself.

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

All direction is but re-direction; it shifts the activities already going on into another channel. Unless one is cognizant of the energies which are already in operation, one's attempts at direction will almost surely go amiss.