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.

The ultimate aim of production is not production of goods but the production of free human beings associated with one another on terms of equality.

Purposeful action is thus the goal of all that is truly educative.

The problem of restoring integration and co-operation between man's beliefs about the world in which he lives and his beliefs about values and purposes that should direct his conduct is the deepest problem modern life. It is the problem of any philosophy that is not isolated from life.

It requires troublesome work to undertake the alteration of old beliefs.

The future of our civilisation depends upon the widening spread and deepening hold of the scientific habit of mind.

Thinking and feeling that have to do with action in association with others is as much a social mode of behavior as is the most overt cooperative or hostile act.