Galatians 4:22-26

The Scriptures say that Abraham had two sons. The mother of one son was a slave woman, and the mother of the other son was a free woman. Abraham’s son from the slave woman was born in the normal human way. But the son from the free woman was born because of the promise God made to Abraham. This story teaches something else: The two women are like the two agreements between God and his people. One agreement is the law that God made on Mount Sinai, and the people who are under this agreement are like slaves. The mother named Hagar is like that agreement. She is like Mount Sinai in Arabia and is a picture of the earthly city of Jerusalem. This city and its people are slaves to the law. But the heavenly Jerusalem, which is above, is like the free woman. She is our mother.