3. But this has been only recently discovered by them, a certain Tatian being the first to introduce this blasphemy. He was a hearer of Justin, and expressed no such opinion while he was with him, but after the martyrdom of the latter he left the Church, and becoming exalted with the thought of being a teacher, and puffed up with the idea that he was superior to others, he established a peculiar type of doctrine of his own, inventing certain invisible æons like the followers of Valentinus, while, like Marcion and Saturninus, he pronounced marriage to be corruption and fornication. His argument against the salvation of Adam, however, he devised for himself.” Irenæus at that time wrote thus.