Education demands, then, only this: the utilization of the inner powers of the child for his own instruction.

The principal agent is the object itself and not the instruction given by the teacher. It is the child who uses the objects; it is the child who is active, and not the teacher.

The land is where our roots are. The children must be taught to feel and live in harmony with the Earth.

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.

No one can be free unless he is independent.

Learning to speak, therefore, and the power it brings of intelligent converse with others, is a most impressive further step along the path of independence ... Learning to walk is especially significant, not only because it is supremely complex, but because it is done in the first year of life.

The ancient saying, "There is nothing in the intellect which was not first in some way in the senses," and senses being explorers of the world, opens the way to knowledge.