6. Not as though the word of God has taken no effect. For they are not all Israel, who are of Israel:
7. Neither, because they are the descendants of Abraham, are they all children: but,
8. That is, They who are the children of the flesh, these are not the children of God: but the children of the promise are counted for the descendants.
9. For this is the word of promise,
10. And not only this; but when Rebecca also had conceived by one, even by our father Isaac;