The formula occurs in the Synoptic Gospels (see Mat 23:37; Luk 13:34), and in Acts (Act 1:11; Act 7:28), but not in Paul. Jannes and Jambres. According to tradition, the names of the chiefs of the magicians who opposed Moses. Exo 7:11, Exo 7:22.
Of corrupt minds (κατεφθαρμένοι τὸν νοῦν)
Better, corrupted in mind. The verb, N.T.o. Comp. διεφθαρμένων τὸν νοῦν corrupted in mind, 1Ti 6:5.
Reprobate (ἀδόκιμοι)
In Pastorals only here and Tit 1:16. A Pauline word. See on Rom 1:28, and see on castaway, 1Co 9:27.