Being an only child is a disease in itself.

Every theory of love, from Plato down teaches that each individual loves in the other sex what he lacks in himself.

Of all work-schools, a good farm is probably the best for motor development.

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

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

Normal children often pass through stages of passionate cruelty, laziness, lying and thievery.

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.