25. Hagar is Mount Sinai in Arabia, and she corresponds to the present-day Jerusalem, because the city is in slavery with her children.
26. But the Jerusalem that is above is free, and she is our mother.
27. It’s written: Rejoice, barren woman, you who have not given birth. Break out with a shout, you who have not suffered labor pains; because the woman who has been deserted will have many more children than the woman who has a husband.
28. Brothers and sisters, you are children of the promise like Isaac.