Lecture IV
The ego was gradually further developed and the fructifying element that entered the astral body began to permeate it more deeply so that the ego was increasingly present in the feelings of likes and dislikes. According as the ego expanded in this way in the astral body there arose what has been called in the book Theosophy the sentient soul. It is as if the fructifying ego spread its forces over the whole astral body, thereby producing the sentient soul. Here we still have to incorporate an important fact.
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