Lecture XII
The whole development of human culture is nothing other than the working of the ego into the astral body, the education of the astral body. Man enters into life filled with desires, impulses and passions. In so far as he masters these impulses, desires and passions, he is working his ego into the astral body. When the Sixth Root-race, the Sixth Epoch, has reached its conclusion, the ego will have completely worked into the astral body. Until then the astral body will continue to be dependent on the support of the Deva forces. As long as the ego has not permeated the entire astral body, so long must the Deva forces support the work.
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