Romans 4:11-13 NIV

11 And he received the sign of circumcision, a seal of the righteousness that he had by faith while he was still uncircumcised.1 So then, he is the father2 of all who believe3 but have not been circumcised, in order that righteousness might be credited to them.

References for Romans 4:11

      12 And he is also the father of the circumcised who not only are circumcised but who also walk in the footsteps of the faith that our father Abraham had before he was circumcised.
      13 It was not through law that Abraham and his offspring received the promise4 that he would be heir of the world,5 but through the righteousness that comes by faith.6

      References for Romans 4:13