The hands are the instruments of man’s intelligence.

The teacher must derive not only the capacity, but the desire, to observe natural phenomena. The teacher must understand and feel her position of observer: the activity must lie in the phenomenon.

He who is served is limited in his independence.

Peace is what every human being is craving for, and it can be brought about by humanity through the child.

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.

Deceit is a kind of garment that conceals the soul. It might even be compared to a whole wardrobe, so many are its guises.

No one can be free unless he is independent.