so that the promise should be made sure to all Abraham's true descendants; not merely to those who are righteous through the Law, but to those who are righteous through a faith like that of Abraham. Thus in the sight of God in whom he believed, who gives life to the dead and makes reference to things that do not exist, as though they did, Abraham is the forefather of all of us. As it is written, "I have appointed you to be the forefather of many nations."

In other words, it is not the children by natural descent who count as God's children, but the children made such by the promise are regarded as Abraham's posterity.

This declaration of blessedness, then, does it come simply to the circumcised, or to the uncircumcised as well? For Abraham's faith--so we affirm--was placed to his credit as righteousness.

nor because they are Abraham's true children. But the promise was "Through Isaac shall your posterity be reckoned."