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

The development of the individual can be described as a succession of new births at consecutively higher levels.

Discipline must come through liberty.

Preventing war is the work of politicians, establishing peace is the work of educationists.

Children become like the things they love.

Giving children the opportunity to stir up life and leave it free to discover.

By the age of three, the child has already laid down the foundations of his personality as a human being, and only then does he need the help of special scholastic influences. So great are the conquests he has made that one may well say: the child who goes to school at three is already a little man.