We still don’t understand the extent of the mind’s power over the body, nor do we understand why there should be such power. All we can say for certain is that the mind does have power over the body in very many different ways.
     If a man is told that he is at the North Pole and he believes what he is told, he’ll show physical signs which suggest that his body is reacting as though he were at the North Pole. He’ll go pale and shiver. If a hay fever sufferer is shown a photograph of the sort plant to which he is allergic, he’ll sneeze. When the film Lawrence of Arabia was shown, cinema managers around the world reported that the sales of ice cream rocketed. The endless desert scenes had made the patrons feel uncomfortably hot.
     Hypnotists use the power of the mind over the body in order to exert their influence. The hypnotist must only convince the patient that something is true, and the patient will act accordingly. If he convinces the patient that his arms are as heavy as lead, then the patient will be unable to lift his arms. If he convinces the patient that a piece of ice is a red hot poker and he then touches the patient’s skin with the ice, a blister will develop. The body will react to the suggestion and not to the reality, and signs of a genuine burn will appear.

The phrase “he’ll go pale and shiver” suggests that he think he…….