Now Hagar stands for Mount Sinai in Arabia and corresponds to the present city of Jerusalem, because she is in slavery with her children.
But the Jerusalem that is above1 is free, and she is our mother.
For it is written: "Be glad, O barren woman, who bears no children; break forth and cry aloud, you who have no labor pains; because more are the children of the desolate woman than of her who has a husband."a228
Now you, brothers, like Isaac, are children of promise.329
At that time the son born in the ordinary way4 persecuted the son born by the power of the Spirit.5 It is the same now.
But what does the Scripture say? "Get rid of the slave woman and her son, for the slave woman's son will never share in the inheritance with the free woman's son."b631
Therefore, brothers, we are not children of the slave woman,7 but of the free woman.8