^{28 Ref} Now we, brothers, as Isaac was, are the children of the undertaking of God.

^{29 Ref} But as in those days he who had birth after the flesh was cruel to him who had birth after the Spirit, even so it is now.

^{30 Ref} What then do the Writings say? Send away the servant-woman and her son; for the son of the servant-woman will not have a part in the heritage with the son of the free woman.

^{31 Ref} So, brothers, we are not children of the servant-woman, but of the free woman.