John Chrysostom
"What advantage, then, has the Jew?" Since the Apostle had rejected everything, hearing, teaching, the name of Jew, circumcision, and all the rest, he foresaw a naturally arising objection and refuted it.
For he had said that the Jew is not the one outwardly, but the one inwardly (Rom 2:28).
What is this objection? They will say: If there is no benefit in this, why was the people called, and why was circumcision given?
What does the Apostle do, and how does he resolve the objection? In the same way he resolved the preceding ones.
Above, he did not set anything to the Jews' praise, but saw in everything God's benefits, not their merits.
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For to be called a Jew, to know the will, and to discern what is better, all this was given to them not according to their merits, but according to God's grace.
The Prophet also reproached the Jews with this, saying, "He has not dealt so with every nation, nor has He revealed His judgments to them" (Ps 147:20).
Moses likewise says: Ask whether such a thing has ever happened, whether a people has heard "the voice of the living God from the midst of the fire" and remained alive (Deut 5:26).
So the Apostle acts here also. When speaking of circumcision, he did not say that circumcision brings no benefit without life.
He disclosed the same thing, but expressed it less sharply, saying that circumcision brings benefit together with works.
Again, when he said, "But if you are a breaker of the law," he did not add: circumcision brings you no benefit.
Instead he expresses it thus: "your circumcision has become uncircumcision" (Rom 2:25).
Further on he says again that the uncircumcised condemns not circumcision itself, but the breaker of the law.
On the one hand he spares the law, and on the other he attacks men. So he acts here also.
Having objected to himself and said, "What advantage, then, has the Jew?" he answered this not negatively, but affirmatively.
Yet by what he said afterward, he refuted this and proved that the Jews are punished for such an advantage.
How so? I will explain by presenting the objection itself.
"What advantage, then, has the Jew, or what is the profit of circumcision? Much in every way. First of all, that they were entrusted with the oracles of God."