The child builds his inmost self out of the deeply held impressions he receives.

He who experiments must, while doing so, divest himself of every preconception. It is clear then that if we wish to make use of a method of experimental psychology, the first thing necessary is to renounce all former creeds and to proceed by means of the method in the search for truth.

When the child goes out, it is the world itself that offers itself to him. Let us take the child out to show him real things instead of making objects which represent ideas and closing them up in cupboards.

The secret of good teaching is to regard the child's intelligence as a fertile field in which seeds may be sown, to grow under the heat of flaming imagination.

The hand is the prehensile organ of the mind.

The hands are the instruments of man’s intelligence.

It is easy to substitute our will for that of the child by means of suggestion or coercion; but when we have done this we have robbed him of his greatest right, the right to construct his own personality.