Irenaeus Never Blinked
The Gnostics who occupied Irenaeus's attention in the late second century had a characteristic move when pressed on Scripture: they would concede the text, then dissolve it. The writings were ambiguous, they said, or corrupted, or useful only to those already initiated into the oral tradition their teachers preserved. Irenaeus had watched this happen enough times to name it plainly in Against Heresies 3.2.1, written around 180 A.D. — these men, when "confuted from the Scriptures, turn round and accuse these same Scriptures, as if they were not correct, nor of authority." The move was familiar then. It is familiar now, though the vocabulary has changed. What made Irenaeus's response to this significant was not its forcefulness but its structure. He did not answer the Gnostics primarily by appealing to episcopal authority or to liturgical tradition, though he valued both. He answered them by going back to the text. His argument in 2.30.6 is almost blunt about it: ...