That is why it all turns upon faith; it is to make it a matter of God's favor, so that the promise may hold good for all Abraham's descendants, not only those who are adherents of the Law, but also those who share the faith of Abraham. For he is the father of all of us;

Does this happiness apply to those who are circumcised, or to those who are uncircumcised as well? What we say is, Abraham's faith was credited to him as uprightness.

and the forefather of those circumcised persons who not only share his circumcision but follow our forefather Abraham's example in the faith he had before he was circumcised.