I. Soul and Spirit in the Human Physical Constitution

When we turn to consider waking life, from what has been said we shall understand the connection of the Ego with the astral body and with the whole organism. During sleep, when the Ego and the astral body are outside, the four elements are nevertheless within the human organism: the solid supporting structure, the fluid organism, but also the air organism in which the astral body otherwise works, and the warmth organism in which the Ego otherwise works. These elements are within the human organism and they work in just as regularly organized a way during sleep as during the waking state, when the Ego and the astral body are active within them.