Romans 4:11
Context4:11 And he received the sign of circumcision as a seal of the righteousness that he had by faith while he was still uncircumcised, 1 so that he would become 2 the father of all those who believe but have never been circumcised, 3 that they too could have righteousness credited to them.
Romans 4:16
Context4:16 For this reason it is by faith so that it may be by grace, 4 with the result that the promise may be certain to all the descendants – not only to those who are under the law, but also to those who have the faith of Abraham, 5 who is the father of us all