143. (IV.) These also constitute a form which corresponds to the human form. It is the same in the human body. There all things are goods of use, in a most perfect form. And because they are in most perfect form they are felt as one, and yet are all various; and in every different part they vary in their own series and in their own order. There are the senses, which are five; the viscera, which are many; the organs of generation, which also are many, in each sex; there are external members; and there are still more numerous things of the mind; that is, of the will and the understanding.