Perception of the Nature of Thought

In the second period it was the intense belief in the Christ Impulse that gave certainty to the awakening thought. But then began the period when the human soul began to say: “Yes, it is actually you yourself who thinks, the thoughts rise up out of you.” The Christ-Impulse gradually faded and man became aware that the thoughts arose out of himself. It began to occur to him that perhaps he framed thoughts that had nothing at all to do with what is outside. Was it possible that the objective external world had nothing to do with his thoughts?