But we (hmei de). In contrast to renegades who do flicker and turn back from Christ. Of them that shrink back unto perdition (upostolh ei apwleian). Predicate genitive of upostolh, as in Romans 12:11 , from upostellw with same sense here, stealthy retreat in Plutarch, dissimulation in Josephus. Here alone in the N.T. Unto the saving of the soul (ei peripoihsin psuch). Old word from peripoiew, to reserve, to preserve ( Luke 17:33 ) to purchase ( Acts 20:28 ). So here preserving or saving one's life as in Plato, but possession in Ephesians 1:14 , obtaining in 1 Thessalonians 4:9 . Papyri have it in sense of preservation.