To stimulate life, leaving it then free to develop, to unfold, herein lies the first task of the teacher.

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

All human victories, all human progress, stand upon the inner force.

The greatest triumph of our educational method should always be this: to bring about the spontaneous progress of the child.

No social problem is as universal as the oppression of the child ... No slave was ever so much the property of his master as the child is of his parent ... Never were the rights of man ever so disregarded as in the case of the child.

Let us treat them [children], therefore, with all the kindness which we would wish to help to develop in them.

Since it is through movement that the will realises itself, we should assist a child in his attempts to put his will into act.