323. Intelligent manifestations are, according to the circumstances, those which offer the strongest guaran tee ; and yet they are not proof against imitation, at least the ordinary and trivial communications.
It is supposed there is more security with mechani cal mediums, not only for independence of ideas, but also against fraud ; for this reason many persons prefer material intermediaries. Well, it is an error. Fraud is everywhere, and we know that, with skill, even a writing basket or planchette can be directed at will. The sentiments expressed will relieve all doubts whether they come from a mechanical, intuitive, auditive, speak ing, or seeing medium. There are communications so far above the ideas, the knowledge, and even the intellectual strength of the medium, that we should strangely deceive ourselves in giving him the honor of their authorship. We see, in charlatanism, an extraor dinary skill and fertile resources, but we have yet to find it capable of giving knowledge to the ignorant, or mind to him who lacks it.
To recapitulate : we repeat, the best guarantee is in the known morality of the mediums, and in the absence of all material interested motives or self-love which might stimulate in him the exercise of the medianimic faculties he may possess ; for these same causes may lead him to simulate those he has not.