VII. Modern Man and His World Conception

Among the means through which this can be done, du Prel and many others count, besides the observation of the above-mentioned “abnormal” psychic phenomena, also the phenomena of spiritualism. It is not necessary to dwell here on du Prel's opinion concerning this field, for what constitutes the mainspring of his view becomes apparent also if one considers only his attitude toward hypnotism, hypnotic suggestion and somnambulism. Whoever wants to prove the spiritual nature of the human soul cannot limit himself to showing that the soul has to refer to a supersensible world in its cognitive process. For natural science could answer that it does not follow that the soul is itself rooted in the supersensible realm because it has a knowledge of a supersensible world. It could very well be that knowledge of the supersensible could also be dependent on the activity of the body and thus be of significance only for a soul that is bound to a body. It is for this reason that du Prel feels it necessary to show that the soul not only knows the supersensible while it is itself bound to the body, but that it experiences the supersensible while it is outside the body. With this view, he also arms himself against objections that can be raised from the viewpoint of the natural scientific mode of thinking against the conceptions of Eucken, Dilthey, Cohen, Kinkel and other defenders of a knowledge of a spiritual world. He is, however, not protected against the doubts that must be raised against his own procedure.