Guidelines 156 - 158
156. In the waking state, in order to experience himself in completely free self-consciousness, man must renounce experiencing the true essence of reality in his own being and in that of nature. He raises himself out of the ocean of this reality in order to truly experience his own I in the thought-shadows.
157. In the sleeping state, man lives with the earth's surroundings; but this life extinguishes his self-consciousness.
158. In dreams the powerful universal being flares up in semi-consciousness - from which the human being is woven and from which he forms his body during his descent from the spirit-world. In earthly life this powerful universal being dies out in man, even as far as the thought-shadows, for only in this way that it can become the foundation of his self-consciousness.