Social grace, inner discipline and joy. These are the birthright of the human being who has been allowed to develop essential human qualities.

If I am going up a ladder, and a dog begins to bite at my ankles, I can do one of two things - either turn round and kick out at the it, or simply go on up the ladder. I prefer to go up the ladder!

Children are human beings to whom respect is due, superior to us by reason of their innocence and of the greater possibilities of their future.

The child’s progress does not depend only on his age, but also on being free to look around him.

He who experiments must, while doing so, divest himself of every preconception. It is clear then that if we wish to make use of a method of experimental psychology, the first thing necessary is to renounce all former creeds and to proceed by means of the method in the search for truth.

Free the child's potential, and you will transform him into the world.

With younger children the greatest reward is to be able to pass on to a new stage in each subject. It is a punishment to a young child not to be allowed to use the apparatus but to sit still and do nothing.