The senses, being the explorers of the world, open the way to knowledge.

If an educational act is to be efficacious, it will be only that one which tends to help toward the complete unfolding of life. To be thus helpful it is necessary rigorously to avoid the arrest of spontaneous movements and the imposition of arbitrary tasks.

To aid life, leaving it free, however, that is the basic task of the educator.

In the psychological realm of relationship between teacher and child, the teacher's part and its techniques are analogous to those of the valet; they are to serve, and to serve well: to serve the spirit.

If education is always to be conceived along the same antiquated lines of a mere transmission of knowledge, there is little to be hoped from it in the bettering of man's future. For what is the use of transmitting knowledge if the individual's total development lags behind?

The child who concentrates is immensely happy

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.