I. Soul and Spirit in the Human Physical Constitution

And now we come to the warmth organism. It is of course quite in keeping with materialistic-mechanistic thought to study only the solid organism and to ignore the fluid organism, the airy organism, and the warmth organism. But no real knowledge of the human organism can be acquired unless we are willing to acknowledge this membering into a warmth organism, an airy organism, a fluid organism, and an earth organism (solid).