since they are of the same nature as the Angels, all bodies must obey them in respect of local motion. Again, do we not know how great is the power which God in express words has given them upon earth. The Book of Job teaches us this so plainly that there is no need of other proofs; for God even says that there is no power upon earth which may be compared with that of Behemoth.
And if such be the power of Satan, why should he not be able to perform the works which we have mentioned? I will even say that it is all the easier for him to do so, in that all these works are due to natural causes. For the demons never work except through second and natural causes, although the speed and cunning which they employ make their actions appear to be miracles; whereas miracles can never be ascribed to them, since these belong to God only, as the Psalmist says: “He alone doeth great marvels.”
At other times Satan has worked
