“It connotes a slightly increased sensibility, nothing more,” he would say. “The true clairvoyant deplores his power, recognising that it adds a new horror to life, and is in the nature of an affliction. And you will find this always to be the real test.”

Thus it was that John Silence, this singularly developed doctor, was able to select his cases with a clear knowledge of the difference between mere hysterical delusion and the kind of psychical affliction that claimed his special powers. It was never necessary for him to resort to the cheap mysteries of divination; for, as I have heard him observe, after the solution of some peculiarly intricate problem⁠—

“Systems of divination, from geomancy down to reading by tea leaves, are merely so many methods of obscuring the outer vision, in order that the inner vision may become open. Once the method is mastered, no system is necessary at all.”