... beings,—brought about a certain formation of the human organism by means of the forces which they sent to the earth from the moon. Their influence affected the "ego" which man had acquired, and made itself felt in the interplay of that "ego" with the astral, etheric, and physical bodies. They made it possible for man to reflect within himself consciously and to reproduce within his cognition, the wisdom revealed in the cosmos. ... — An Outline of Occult Science • Rudolf Steiner
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