82 THE LA W OF PSYCHIC PHENOMENA.
differences of opinion, was to be expected. Hatred of our neighbor because his problematical theories do not agree with our undemonstrable hypotheses is, unfortunately, one of the salient weaknesses of human nature.
It is, however, comparatively rare that scientific investigators disagree regarding the demonstrable facts pertaining to a subject under investigation. Yet this is the condition in which we find the science of hypnotism after more than a century of research by some of the ablest scientists of the world. They are divided into schools, to-day, as they were in the infancy of the science. Indeed, the science is still in its infancy. Facts have accumulated, it is true; and they will be found to be of infinite advantage to some future investigator whose mind is capable of rising above the prejudices which characterize the different schools, and of assimilating and harmonizing their demonstrated facts into one comprehensive system.
Thus far the different schools have distrusted or denied each other's facts, and waged war upon each other's theories. The most carefully conducted experiments of one school will, in the hands of the other, produce opposite results. Hence each experimenter is irresistibly led to distrust the scientific accuracy of the methods employed by others, or to admit their integrity only at the expense of their intelligence. In the mean time each school has conducted its experiments seemingly by the most rigid scientific methods and with conscientious fidelity to truth; but the results of each apparently disprove the conclusions of all the others. Hence it is that, in the bibliography of hypnotism, we find an immense mass of well-authenticated facts which, tried by the standards of any one of the different schools, appears like an appalling hodge-podge of falsehood and delusion, chicanery and superstition. Indeed, no other science, since the dawn of creation, has suffered so much at the hands of ignorance and superstition as the science under discussion. Its ancient history is the record of the supernatural in all the nations of the earth. Its phenomena have been the foundation of all the religions and all the superstitions of ancient