Preface
_ To all the brave men and women, humble
or learned, who have the moral
courage during seventy years to
face ridicule or worldly disadvantage
in order to testify
to an all-important truth
March, 1918
Many more philosophic minds than mine have thought over the religious side of this subject and many more scientific brains have turned their attention to its phenomenal aspect. So far as I know, however, there has been no former attempt to show the exact relation of the one to the other. I feel that if I should succeed in making this a little more clear I shall have helped in what I regard as far the most important question with which the human race is concerned.
A celebrated Psychic, Mrs. Piper, uttered, in the year 1899 words which were recorded by Dr. Hodgson at the time. She was speaking in trance upon the future of spiritual religion, and she said: "In the next century this will be astonishingly perceptible to the minds of men. I will also make a statem

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