Seceding from the Church, and being elated and puffed up by a conceit of his teacher, as if he were superior to the rest, he formed his own peculiar type of doctrine. Imagining certain invisible Æons like those of Valentinus, and denouncing marriage as defilement and fornication in the same way as Marcion and Saturninus, and denying the salvation of Adam as an opinion of his own.— Irenæus: Adv. Hœr., i. 28.
Source: Fragments (New Advent)