Promise (ἐπαγγελμα [epaggelma]). As in 1:4. The reference is to Is. 65:17f.; 66:22. See also Rev. 21:1. For καινος [kainos] (new) see on Matt. 26:29. For the expectant attitude in προσδοκωμεν [prosdokōmen] (we look for) repeated from verse 12 and again in verse 14, see ἀπεκδεχομεθα [apekdechometha] (we eagerly look for) in Phil. 3:20. Wherein (ἐν οἱς [en hois]). The new heavens and earth. Dwelleth (κατοικει [katoikei]). Has its home (οἰκος [oikos]). Certainly “righteousness” (δικαιοσυνη
2 Peter 3:13