Exposition of the Pauline References to Baptism The references to baptism in the epistles are also relatively few, with only one non–Pauline instance (1 Pet. 3:21), and none in the Apocalypse.30 The eight Pauline instances are as follows: Galatians 3:27, 1 Corinthians 1:13–17 (6 times); 10:2; 12:13; 15:29 (2 times); Romans 6:3–4; Ephesians 4:5; and Colossians 2:12.31 Galatians 3:26–27: “For all of you are sons of God through faith in Christ Jesus; for as many as have been baptized into Christ