The Pulpit Commentary - 2 Peter 2:20
For if after they have escaped the pollutions of the world; literally, for if, having escaped ( ἀποφυγόντες ). Is St. Peter in this verse still speaking of the false teachers, or of those whom they had enticed ( 2 Peter 2:18 )? Bengel, Fronmuller, and others take the latter view, thinking that the ἀποφυγόντες ("those having escaped") of this verse must be the same with the ἀποφεύγοντας or ἀποφυγόντας ("those who are escaping," or "those having escaped") of 2 Peter 2:18... read more
John Calvin's Commentary on the Bible - 2 Peter 2:22
Verse 22 22.But it has happened unto them. As the example disturbs many, when men who had submitted to the obedience of Christ, rush headlong into vices without fear or shame, the Apostle, in order to remove the offense, says that this happens through their own fault, and that because they are pigs and dogs. It hence follows that no part of the sin can be ascribed to the gospel. For this purpose he quotes two ancient proverbs, the first of which is found as the saying of Solomon in Proverbs... read more