“Sinai and Zion”

Sunday, October 31, 2021

Tell me, you who desire to be under the law, do you not listen to the law? For it is written that Abraham had two sons, one by a slave woman and one by a free woman. But the son of the slave was born according to the flesh, while the son of the free woman was born through promise. Now this may be interpreted allegorically: these women are two covenants. One is from Mount Sinai, bearing children for slavery; she is Hagar. Now Hagar is Mount Sinai in Arabia; she corresponds to the present Jerusalem, for she is in slavery with her children. But the Jerusalem above is free, and she is our mother. (Galatians 4.21-26)

The point Paul makes in these few verses is truly astonishing.  In this letter, his goal is to get these fairly new, Gentile Christians to see the mistake they’re making in allowing misguided Jewish Christians to bind the law of Moses on them.  This centered around circumcision, the symbol of belonging to the nation of Abraham’s descendants.  Previously in the letter, Paul had stressed that Christians are, indeed, to be children of Abraham, but the marker was not circumcision: “Know then that it is those of faith who are the sons of Abraham” (3.7); “And if you are Christ’s, then you are Abraham’s offspring, heirs according to promise” (3.29).  Now in chapter 4, he compares the Christian’s heritage to the Jew’s.  From reading the Scriptures, these Gentile converts are aware of Abraham’s two sons and the nations descended from each.  They know, as we do, that the Jews were descended from Isaac, and the descendants of Ishmael—like the Nabateans and Qedarites to Israel’s East and South—were generally enemies of God’s chosen people.

Why then does Paul match up the Jews with Hagar, the mother of Gentiles, and the Gentiles with Sarah, the mother of the Jews?  Well, that’s not quite what he’s doing.  It isn’t that all of the Gentiles are to be identified as Sarah’s descendants, but those who have “put on Christ” (3.27).  Nor is it that all of the Jews are Hagar’s descendants—Paul includes himself among Sarah’s children when he says “she is our mother” (4.26).  Those Jews who are descended from Hagar are those who have rejected the Messiah—the blessing promised to Abraham.

But of course, we know that’s just not true—from the physical perspective.  Paul is way ahead of us: “But the son of the slave was born according to the flesh, while the son of the free woman was born through promise” (4.23).  When Sarah suggested using Hagar as a concubine to solve the problem of Abraham’s lack of an heir, everyone involved considered that a son born through Hagar would be a legitimate and rightful heir.  Even when God clarified to Abraham a point that should have required no clarification, saying of Sarah, “‘I will give you a son by her’” (Ge 17.16), Abraham himself replied two verses later, “‘Oh that Ishmael might live before you!’”  Ishmael, according to the laws and practices of the time and place, was the rightful heir—the firstborn, legitimate son.  Yet God reminds him again later, “through Isaac shall your offspring be named” (Ge 21.12).

Isaac was not born purely according to the flesh, but according to God’s promise, in which Abraham and Sarah trusted, though their faith lapsed at times.  But two thousand years after the firstfruits of the promise were enjoyed in Isaac, the promise still extended to God’s chosen people, and it wasn’t the nation descended from Isaac purely according to the flesh.  The same promise that foretold Isaac’s birth also said, “‘In you shall all the nations be blessed.’ So then, those who are of faith are blessed along with Abraham, the man of faith” (Ga 3.8), even the Gentiles who were not legitimate descendants of Abraham in any fleshly sense.

Paul further ties these two classes of people—the fleshly and spiritual descendants of Abraham—to the two covenants, which were inaugurated on two mountains.  The Jewish covenant began at Mount Sinai in the desert, while the covenant of Christ began at Jerusalem, on Mount Zion.  Here, as before with the two sons, there’s some confusion.  Isaac is both the son of promise, and the forefather of the fleshly children of Abraham; in the same way, Zion is both the physical location where Jesus died, was buried, and arose, and also the spiritual seat of the Kingdom of God.  Paul differentiates between these two by calling them “the present Jerusalem” and “the Jerusalem above.”  This covenant is vastly superior to the previous one.  This kingdom will never fall.  It is the fulfillment of Nebuchadnezzar’s dream in Daniel 2, the stone that destroyed the kingdoms and “became a great mountain and filled the whole earth” (Da 2.35). 

Just as that mountain is more than the physical Mount Zion, the church is about more than a physical heritage, and far more than a physical location.  It’s about God’s far-reaching promises, which are beyond our full comprehension or reasoning.  Even Abraham, the “man of faith,” didn’t grasp the full import of the promises God made to him.  They were primarily spiritual, and had to do not only with blessings and behaviors here on earth, but with the far more important world to come.  God frees Abraham’s children from slavery—to sin, to the law, to the flesh, and to death—and gives abundant life, his Spirit, freedom, and righteousness in their place. 

Paul finishes up this passage by saying,

Now you, brothers, like Isaac, are children of promise. But just as at that time he who was born according to the flesh persecuted him who was born according to the Spirit, so also it is now. (Galatians 4.28-29).

Are you a child of the flesh, or of the Spirit?

Jeremy Nettles

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