promise ... liberty - (Christian) - These promises are instances of their “great swelling words” (2Pe 2:18). The liberty which they propose is such as fears not Satan, nor loathes the flesh. Pauline language, adopted by Peter here, and 1Pe 2:16; see on 1Pe 2:16; (compare 2Pe 3:15; Rom 6:16-22; Rom 8:15, Rom 8:21; Gal 5:1, Gal 5:13; compare Joh 8:34).
corruption - (See on 2Pe 2:12); “destroyed ... perish ... corruption.”