John Chrysostom
"But they will progress no further," he says. How then does he say elsewhere: "They will progress to more ungodliness" (2 Tim 2:16), while here he says, "They will not progress"?
There he affirms that heretics, once they begin to introduce novelty and errors, do not stop, but continually invent new deceptions and false teachings. For error never stops.
Here he affirms that they will not deceive or carry away the faithful. Although at first they may seem to lead some astray, they themselves will soon be exposed.
He expresses this in the following words: "For their folly will be manifest to all." In what way? Completely. "As theirs also was."
Read more (70 words)
Errors, although they succeed at first, do not remain to the end. Such is everything that is not good in its own essence, but only seems good. It succeeds for a time, then is revealed and perishes.
But our teaching is not like this. And you are witness to this, the Apostle says to Timothy. Our teaching is not a lie. For who would dare to die for a lie?