The most important factor in the training of good mental habits consists in acquiring the attitude of suspended conclusion, and in mastering the various methods of searching for new materials to corroborate or to refute the first suggestions that occur.

Some things which are remote in space and time from a living creature, especially a human creature, may form his environment even more truly than some of the things close to him.

If we teach today’s students as we taught yesterday’s, we rob them of tomorrow.

All education which develops power to share effectively in social life is moral.

The aim of education is growth: the aim of growth is more growth

The activity of the immature human being is simply played upon to secure habits which are useful. He is trained like an animal rather than educated like a human being. His instincts remain attached to their original objects of pain or pleasure. But to get happiness or to avoid the pain of failure he has to act in a way agreeable to others.

An idea is a method of evading, circumventing or surmounting through reflection, obstacles that otherwise would have to be attacked by brute force.