_Self_-consciousness requires two departments of Consciousness--each of which is aware of the other. So that a man may judge and restrain impulses in himself that are contrary to reason and expedience, or, on the other hand, may choose to sacrifice both reason and self-interest to emotional impulse, noble and uplifting, or ignoble and debasing. Describing Intellect as characterised by a natural inability to comprehend Life, Professor Bergson further says: "Instinct, on the contrary, is moulded on the very form of Life.... If the consciousness that slumbers in it should awake, if it were wound up into knowledge instead of being wound off into action, if we could ask and it could reply, it would give up to us the most intimate secrets of Life." Again Duality of mental processes is inferred. As too in the following passage: "Instinct is sympathy. If this sympathy could extend its object and also reflect upon itself, it would give us the key to vital operations--just as intelligence, developed and disciplined, guides us into Matter.... Intelligence, by means of science ... brings us, and moreover only claims to bring us, a translation of Life in terms of inertia.... But it is to the very inwardness of Life that Intuition leads us--by Intuition I mean instinct that has become disinterested, self-conscious, capable of reflecting upon its object and of enlarging it indefinitely." III The phenomena of Hypnotism seem to set the Duality of cerebral processes beyond dispute. Dr. George H. Savage, Consulting Physician and late Lecturer on Mental diseases at Guy's Hospital, in his Harveian Oration, October 1909, testified as follows to the strangeness and authenticity of hypnotic evidences: "Wishing to follow our great master in not accepting anything without personal investigation, I took advantage of the opportunity offered by Dr. Wright, to test some of the points of most importance to which I have referred. "A gentleman, an engineer, who had been relieved by treatment by Dr. Wright, was willing to allow him to demonstrate the various stages of hypnotism and their effects.... He was asked to sit down and talk quietly about his relationship to hypnotism. Then he was told to go to sleep. A few passes being made over his head, he slowly closed his eyes, and in less than a minute he was sleeping placidly. By the gentle stroking of his left arm this was rendered inflexible. The pulse was in no way affected; pupils were equal, but rather larger than before he slept, and were sluggish. He was slowly aroused (it being well always to recall the subject slowly). After a talk on general matters he stated that he had no sense of fatigue in the arm, nor any recollection of anything said and done during the period of hypnosis.