That is, it is not Abraham's natural descendants who are God's children, but those who are made children by the promise are counted his true descendants.

Now does this happiness come to the Jews alone, or to the heathen peoples too? For we say, "Abraham's faith was credited to him as right standing."

So it is conditioned on faith, that it might be in accordance with God's unmerited favor, so that the promise might be in force for all the descendants of Abraham, not only for those who belong to the law party but also for those who belong to the faith group of Abraham. He is the father of us all,