Comp. 2Co 5:17. For καινὴ new see on Mat 26:29. For κτίσις see on Rom 8:19; see on 2Co 5:17. Here of the thing created, not of the act of creating. The phrase was common in Jewish writers for one brought to the knowledge of the true God. Comp. Eph 2:10, Eph 2:15.