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204 to revive the theory, originally put forward half a century ago by Thury and de Gasparin, of a force emanating from the organism of the medium, and controlled presumably by her nervous system. If such a force should be proved to exist, it will afford material for the physicist and the physiologist, and will no doubt considerably enlarge our conception of the potencies of living bodies. But it was not for this that the Society for Psychical Research was founded. The distinguished men who in 1882 associated themselves in the venture were certainly not attracted merely by the prospect of enlarging the domain of physics or biology. They came together in the hope of finding empirical proof of the survival of the soul after the death of the body. No one who has read Myers's brief autobiography, or the Memoir of Henry Sidgwick, can doubt that it was this hope which formed the motive power. But it is when we approach this subject that the real difficulties of psychical research begin. We are menaced with opposition from without and danger from within. The opposition comes principally from two quarters. There are those who feel that the very quest involves a kind of impiety; that the Ruler of the world has fixed a gulf between shore and shore, so that no communication may pass from that side to this.

Nequidquam Deus abscidit

Prudens Oceano dissociabili

Terras, si tamen impiæ

Non tangenda rates transiliunt vada.