BOOK TENTH.

imaginary terrors, that he may wring from them a real boon,—for he threatens that he will demolish the sky, and such like impossibilities,—that those gods, being alarmed, like silly children, with imaginary and absurd threats, may do what they are ordered. Porphyry further relates that a man Chæremon, profoundly versed in these sacred or rather sacrilegious mysteries, had written that the famous Egyptian mysteries of Isis and her husband Osiris had very great influence with the gods to compel them to do what they were ordered, when he who used the spells threatened to divulge or do away with these mysteries, and cried with a threatening voice that he would scatter the members of Osiris if they neglected his orders. Not without reason is Porphyry surprised that a man should utter such wild and empty threats against the gods,—not against gods of no account, but against the heavenly gods, and those that shine with sidereal light,—and that these threats should be effectual to constrain them with resistless power, and alarm them so that they fulfil his wishes. Not without reason does he, in the character of an inquirer into the reasons of these surprising things, give it to be understood that they are done by that race of spirits which he previously described as if quoting other people's opinions,—spirits who deceive not, as he said, by nature, but by their own corruption, and who simulate gods and dead men, but not, as he said, demons, for demons they really are. As to his idea that by means of herbs, and stones, and animals, and certain incantations and noises, and drawings, sometimes fanciful, and sometimes copied from the motions of the heavenly bodies, men create upon earth powers capable of bringing about various results, all that is only the mystification which these demons practise on those who are subject to them, for the sake of furnishing themselves with merriment at the expense of their dupes. Either, then, Porphyry was sincere in his doubts and inquiries, and mentioned these things to demonstrate and put beyond question that they were the work, not of powers which aid us in obtaining life, but of deceitful demons; or, to take a more favourable view of the philosopher, he adopted this method with the