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