1822. It is wonderful how intensely such spirits apply themselves to secret and even to magical arts in order that they might fascinate, as it were, those with whom they wish to stand high, and to rule under their auspices; thus they shrink from nothing, however abominable, for they are poisoned in their interiors, which is itself a most nefarious thing; they are wherefore like interior poisons which penetrate the pores; the same is to be said of such a spurious spirit or blood.