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City of God: Chapter 18
Chapter 18.—What We Should Believe Concerning the Transformations Which Seem to Happen to Men Through the Art of Demons.
Perhaps our readers expect us to say something about this so great delusion wrought by the demons; and what shall we say but that men must fly out of the midst of Babylon? 1141 For this prophetic precept is to be understood spiritually in this sense, that by going forward in the living God, by the steps of faith, which worketh by love, we must flee out of the city of this world, which is altogether a society of ungodly angels and men. Yea, the greater we see the power of the demons to be in these depths, so much the more tenaciously must we cleave to the Mediator through whom we ascend from these lowest to the highest places. For if we should say these things are not to be credited, there are not wanting even now some who would affirm that they had either heard on the best authority, or even themselves experienced, something of that kind. Indeed we ourselves, when in Italy, heard p. 370 such things about a certain region there where landladies of inns, imbued with these wicked arts, were said to be in the habit of giving to such travellers as they chose, or could manage, something in a piece of cheese by which they were changed on the spot into beasts of burden, and carried whatever was necessary, and were restored to their own form when the work was done. Yet their mind did not become bestial, but remained rational and human, just as Apuleius, in the books he wrote with the title of The Golden Ass, has told, or feigned, that it happened to his own self that, on taking poison, he became an ass, while retaining his human mind.
These things are either false, or so extraordinary as to be with good reason disbelieved. But it is to be most firmly believed that Almighty God can do whatever He pleases, whether in punishing or favoring, and that the demons can accomplish nothing by their natural power (for their created being is itself angelic, although made malign by their own fault), except what He may permit, whose judgments are often hidden, but never unrighteous. And indeed the demons, if they really do such things as these on which this discussion turns, do not create real substances, but only change the appearance of things created by the true God so as to make them seem to be what they are not. I cannot therefore believe that even the body, much less the mind, can really be changed into bestial forms and lineaments by any reason, art, or power of the demons; but the phantasm of a man which even in thought or dreams goes through innumerable changes may, when the mans senses are laid asleep or overpowered, be presented to the senses of others in a corporeal form, in some indescribable way unknown to me, so that mens bodies themselves may lie somewhere, alive, indeed, yet with their senses locked up much more heavily and firmly than by sleep, while that phantasm, as it were embodied in the shape of some animal, may appear to the senses of others, and may even seem to the man himself to be changed, just as he may seem to himself in sleep to be so changed, and to bear burdens; and these burdens, if they are real substances, are borne by the demons, that men may be deceived by beholding at the same time the real substance of the burdens and the simulated bodies of the beasts of burden. For a certain man called Præstantius used to tell that it had happened to his father in his own house, that he took that poison in a piece of cheese, and lay in his bed as if sleeping, yet could by no means be aroused. But he said that after a few days he as it were woke up and related the things he had suffered as if they had been dreams, namely, that he had been made a sumpter horse, and, along with other beasts of burden, had carried provisions for the soldiers of what is called the Rhœtian Legion, because it was sent to Rhœtia. And all this was found to have taken place just as he told, yet it had seemed to him to be his own dream. And another man declared that in his own house at night, before he slept, he saw a certain philosopher, whom he knew very well, come to him and explain to him some things in the Platonic philosophy which he had previously declined to explain when asked. And when he had asked this philosopher why he did in his house what he had refused to do at home, he said, “I did not do it, but I dreamed I had done it.” And thus what the one saw when sleeping was shown to the other when awake by a phantasmal image.
These things have not come to us from persons we might deem unworthy of credit, but from informants we could not suppose to be deceiving us. Therefore what men say and have committed to writing about the Arcadians being often changed into wolves by the Arcadian gods, or demons rather, and what is told in song about Circe transforming the companions of Ulysses, 1142 if they were really done, may, in my opinion, have been done in the way I have said. As for Diomedes birds, since their race is alleged to have been perpetuated by constant propagation, I believe they were not made through the metamorphosis of men, but were slyly substituted for them on their removal, just as the hind was for Iphigenia, the daughter of king Agamemnon. For juggleries of this kind could not be difficult for the demons if permitted by the judgment of God; and since that virgin was afterwards, found alive it is easy to see that a hind had been slyly substituted for her. But because the companions of Diomede were of a sudden nowhere to be seen, and afterwards could nowhere be found, being destroyed by bad avenging angels, they were believed to have been changed into those birds, which were secretly brought there from other places where such birds were, and suddenly substituted for them by fraud. But that they bring water in their beaks and sprinkle it on the temple of Diomede, and that they fawn on men of Greek race and persecute aliens, is no wonderful thing to be done by the inward influence of the demons, whose interest it is to persuade men that Diomede was made a god, and thus to beguile p. 371 them into worshipping many false gods, to the great dishonor of the true God; and to serve dead men, who even in their lifetime did not truly live, with temples, altars, sacrifices, and priests, all which, when of the right kind, are due only to the one living and true God.
Virgil, Eclogue, viii. 70.
Next: Chapter 19
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