[2:12] 1 tn Grk “died together…will live together…will reign together,” without “him” stated explicitly. But “him” is implied by the parallel ideas in Rom 6:8; 8:17 and by the reference to Christ in vv. 12b-13.
[2:12] 2 tn Or “renounce,” “disown,” “repudiate.” It is important to note that the object of Christ’s denial is “us.” The text does not contain an implied object complement (“he will deny us [x]”), which would mean that Christ was withholding something from us (for example, “The owner denied his pets water”), since the verb ἀρνέομαι (arneomai) is not one of the category of verbs that normally occurs in these constructions (see ExSyn 182-89).
[2:13] 4 sn If we are unfaithful…he cannot deny himself. This could be (1) a word of warning (The Lord will exact punishment; he cannot deny his holiness) or (2) a word of hope (Because of who he is, he remains faithful to us despite our lapses). The latter is more likely, since Paul consistently cites God’s faithfulness as a reassurance, not as a warning (cf. especially Rom 3:3; also 1 Cor 1:9; 10:13; 2 Cor 1:18; 1 Thess 5:24; 2 Thess 3:3).