The man of the future may, and even must, do things impossible in the past and acquire new motor variations not given by heredity.

Abundance and vigor of automatic movements are desirable, and even a considerable degree of restlessness is a good sign in young children.

Man is largely a creature of habit, and many of his activities are more or less automatic reflexes from the stimuli of his environment.

Dancing is imperatively needed to give poise to the nerves, schooling to the emotions, strength to the will, and to harmonize the feelings and the intellect with the body that supports them

This splendid subject [mathematics], queen of all exact sciences, and the ideal and norm of all careful thinking.

The teens are emotionally unstable and pathic. It is a natural impulse to experience hot and perfervid psychic states, and it is characterized by emotionalism. We see here the instability and fluctuations now so characteristic. The emotions develop by contrast and reaction into the opposite.

Adolescence is a new birth, for the higher and more completely human traits are now born.