Romans 4:10
not in circumcision: "Faith was reckoned to Abraham for righteousness," at least 14 years before he was circumcised; the former having taken place some time before Ishmael's birth, at which time he was 86 years old, and the other when Ishmael was 13 years of age, and Abraham 99. Gen 15:5, Gen 15:6, Gen 15:16, Gen 16:1-3, Gen 17:1, Gen 17:10, Gen 17:23-27, 1Co 7:18, 1Co 7:19, Gal 5:6, Gal 6:15 Reciprocal: Act 7:8 - the covenant Rom 2:28 - neither Gal 3:6 - as Col 3:11 - there Jam 2:23 - Abraham