Romans 4
11 Ref and a sign he did receive of circumcision, a seal of the righteousness of the faith in the uncircumcision, for his being father of all those believing through uncircumcision, for the righteousness also being reckoned to them,
12 Ref and father of circumcision to those not of circumcision only, but who also walk in the steps of the faith, that `is' in the uncircumcision of our father Abraham.
13 Ref For not through law `is' the promise to Abraham, or to his seed, of his being heir of the world, but through the righteousness of faith;