12. The Essence of Spiritual Science and the Knowledge of the Transcendental World
Now, that which lives in thinking, the actual soul power, which can be compared to the person standing in front of the mirror and to whom his thoughts only appear as an image, this actual soul power must first be found through spiritual science. And in earlier lectures, I have already indicated from this point how the real, underlying soul life can be recognized in the mere pictorial existence that we experience in everyday thinking and imagining; I would like to say that which is present in thinking as the underlying soul power of thinking.
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