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.

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

Muscles are in a most intimate and peculiar sense the organs of the will.

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

The years from about eight to twelve constitute a unique period of human life.

Adolescence is when the very worst and best impulses in the human soul struggle against each other for possession.

Muscles are in a most intimate and peculiar sense the organs of the will. They have built all the roads, cities and machines in the world, written all the books, spoken all the words, and, in fact done everything that man has accomplished with matter. Character might be a sense defined as a plexus of motor habits.