This spiritual nature, which from the beginning has sought after its Creator that it might worship him, is not a thing apart, living in a separate “house,” but rather a phase of man’s complexity. It depends for its growth upon both the physical and mental sides of man’s nature, and cannot be divorced from them. At the foot of the path that reaches to the very height of spiritual life, we find feeling as sensation and emotion. The myriad sensations which express themselves in bodily consciousness through the physical, and the emotions which find expression through mental consciousness, can not escape their share of responsibility for the development of the spiritual side. As year after year he sees successive classes of children repeat the development of their predecessors, one stands in awe and reverence before the presence of laws which seem universal in the development of child life. He notes the days when life means food and clothing furnished by another. He notes the strong development of the self interests to the exclusion of others. He sees the gradual development of the sense of justice, of pity, of sympathy. He watches the development of altruism in adolescence. He sees the rapid change of body, mind, and spirit, and witnesses the struggle for control, sometimes on the part of one, sometimes the other, until at last physical, mental or spiritual emerges in control of a life. Or in the rarer cases, where a more perfect development has come, all three work together in the effort to make a perfectly balanced man. We saw in our brief study of the physical side that a girl in her teens can feel. Her whole being is sensitized, ready at a moment’s notice to respond. In our study of the mental side we saw that she can and does think, is capable of the heights and depths of emotion, and is able in a limited way to make comparisons and reach sane conclusions.