I ask, then, has God rejected His people? Absolutely not! For I too am an Israelite, a descendant of Abraham, from the tribe of Benjamin.

What then can we say that Abraham, our physical ancestor, has found?

If Abraham was justified by works, he has something to brag about—but not before God.

For what does the Scripture say?

Abraham believed God,
and it was credited to him for righteousness.

Is this blessing only for the circumcised, then? Or is it also for the uncircumcised? For we say, Faith was credited to Abraham for righteousness.

And he became the father of the circumcised, who are not only circumcised but who also follow in the footsteps of the faith our father Abraham had while he was still uncircumcised.

For the promise to Abraham or to his descendants that he would inherit the world was not through the law, but through the righteousness that comes by faith.

This is why the promise is by faith, so that it may be according to grace, to guarantee it to all the descendants—not only to those who are of the law but also to those who are of Abraham’s faith. He is the father of us all

Now it was credited to him was not written for Abraham alone,

Neither are they all children because they are Abraham’s descendants. On the contrary, your offspring will be traced through Isaac.