The teacher's task is not to talk, but to prepare and arrange a series of motives for cultural activity in a special environment made for the child.

Culture and education have no bounds or limits; now man is in a phase in which he must decide for himself how far he can proceed in the culture that belongs to the whole of humanity.

The human hand allows the mind to reveal itself.

What is a scientist?... We give the name scientist to the type of man who has felt experiment to be a means guiding him to search out the deep truth of life, to lift a veil from its fascinating secrets, and who, in this pursuit, has felt arising within him a love for the mysteries of nature, so passionate as to annihilate the thought of himself.

Order is ... the true key to rapidity of reaction.

Education today, in this particular social period, is assuming truly unlimited importance. And the increased emphasis on its practical value can be summed up in one sentence: education is the best weapon for peace.

Growth and psychic development are therefore guided by: the absorbent mind, the nebulae and the sensitive periods, with their respective mechanisms. It is these that are hereditary and characteristic of the human species. But the promise they hold can only be fulfilled through the experience of free activity conducted in the environment.