But the Jerusalem that is above1 is free, and she is our mother.
For it is written: "Be glad, barren woman, you who never bore a child; shout for joy and cry aloud, you who were never in labor; because more are the children of the desolate woman than of her who has a husband."a228
Now you, brothers and sisters, like Isaac, are children of promise.329
At that time the son born by human effort4 persecuted the son born by the power of the Spirit.5 It is the same now.
But what does 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 and sisters, we are not children of the slave woman,7 but of the free woman.8