We smile to-day at the science of learned men of the time of Copernicus or Christopher Columbus or Ambroise Paré, and we forget that, in a few centuries, savants will estimate us in the same fashion. There are properties of matter which are completely hidden from us, and humanity is endowed with faculties still unknown to us. We only advance very slowly in the knowledge of things.
The critics do not always give proof that they possess a very compact logical power. You speak to them of facts proved by centuries of testimony. They challenge the value of popular testimony, and declare that these uncultivated folks, these petty merchants, these manufacturers, these laborers, these peasants, are incapable of observing with any exactitude.
Some days after, you cite the savants, men whose competence has been proved in the objective sciences of observation, which attest these very facts, and you hear the sneerers answer that those savants are competent witnesses in their special lines of study and work, but in nothing apart from these.
So, after this fashion, all testimony is refused. They declare that the thing, being impossible, cannot have been observed at all.
Of course there is room for a good deal of analysis in discussing the claims of human testimony. But, if we suppress every piece of testimony, what will there be left?--our native ignorance.
But, to tell the truth, there are some of these negative gentry who are sure of everything, and who impose their aphorisms upon us with the authority of a czar giving out his ukase or edict.
From these different experiments with Eusapia Paladino, including those described in the first and second chapters, the impression is left that the phenomena observed are, to a great extent, real and undeniable; that a certain number may be produced by fraud; but that, in fact, the subject is very complex. Again, certain movements simply belong to the material order, while others belong at once to the physical order and the psychical order. All this study is vastly more complicated than people in general have any idea of. I am going to pass summarily in review other experiments made by the same medium, and shall afterwards devote a special chapter to the examination of frauds and mystifications.