Psychologists have never satisfactorily explained the process by which we unconsciously and yet seemingly voluntarily permit ourselves to give audience to the acts and sayings of the peoples of dreamland. The ego of our dream has never been accounted for either. His relationship to ourselves, however, seems as we recall him, to be in many instances a very close one. He is like us and still is decidedly unlike us.
He appears upon the mystical stage which borders hard upon life's pathway, acts his part and retires behind the scenes. We awake to think, study, wonder and theorize concerning him, and we tire, cerebral anemia presumably, obtains, we nod in our chair and find him bowing to us. Evidently he follows us when we are awake, and we follow him when we are asleep. We call ourself the substance, him the shadow. This ego, our other self, takes possession of