Joy, feeling one's own value, being appreciated and loved by others, feeling useful and capable of production are all factors of enormous value for the human soul.
The development of language is part of the development of the personality, for words are the natural means of expressing thoughts and establishing understanding between people.
We discovered that education is not something which the teacher does, but that it is a natural process which develops spontaneously in the human being.
The child is not an empty being who owes whatever he knows to us who have filled him up with it. No, the child is the builder of man. There is no man existing who has not been formed by the child he once was.