9. Irenæus also writes that Carpocrates was a contemporary of these men, and that he was the father of another heresy, called the heresy of the Gnostics, who did not wish to transmit any longer the magic arts of Simon, as that one had done, in secret, but openly. For they boasted—as of something great—of love potions that were carefully prepared by them, and of certain demons that sent them dreams and lent them their protection, and of other similar agencies; and in accordance with these things they taught that it was necessary for those who wished to enter fully into their mysteries, or rather into their abominations, to practice all the worst kinds of wickedness, on the ground that they could escape the cosmic powers, as they called them, in no other way than by discharging their obligations to them all by infamous conduct.