“I know that I have come upon a heresy; and its chief was wont to say that he fought with pleasure by pleasure, this worthy Gnostic advancing on pleasure in feigned combat, for he said he was a Gnostic; since he said it was no great thing for a man that had not tried pleasure to abstain from it, but for one who had mixed in it not to be overcome [was something]; and that therefore by means of it he trained himself in it. The wretched man knew not that he was deceiving himself by the artfulness of voluptuousness. To this opinion, then, manifestly Aristippus the Cyrenian adhered—that of the sophist who boasted of the truth. Accordingly, when reproached for continually cohabiting with the Corinthian courtezan, he said, “I possess Lais, and am not possessed by her.”