The children are now working as if I did not exist.

What the hand does the mind remembers.

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.

The greatness of the human personality begins at the hour of birth. From this almost mystic affirmation there comes what may seem a strange conclusion: that education must start from birth.

There is no description, no image in any book that is capable of replacing the sight of real trees, and all of the life to be found around them in a real forest.

Free choice is one of the highest of all the mental processes.

Order is not goodness; but perhaps it is the indispensable road to arrive at it.