What the hand does the mind remembers.

The hand is the prehensile organ of the mind.

But if for the physical life it is necessary to have the child exposed to the vivifying forces of nature, it is also necessary for his psychical life to place the soul of the child in contact with creation.

Education, as conceived today, is something separated both from biological and social life.

The environment must be rich in motives which lend interest to activity and invite the child to conduct his own experiences.

The essence of independence is to be able to do something for one’s self.

We especially need imagination in science. It is not all mathematics, nor all logic, but it is somewhat beauty and poetry.