The Apostle Paul
Romans 11:28BSB·traditional attribution

Regarding the gospel, they are enemies on your account; but regarding election, they are loved on account of the patriarchs.

John Calvin Reformed @genevareformer

28. With regard indeed to the gospel, etc. He shows that the worst thing in the Jews ought not to subject them to the contempt of the Gentiles. Their chief crime was unbelief: but Paul teaches us, that they were thus blinded for a time by God’s providence, that a way to the gospel might be made for the Gentiles; They were “enemies” to Paul...

Matthew Henry Presbyterian @wholebiblehenry

The apostle proposes here a plausible objection, which might be urged against the divine conduct in casting off the Jewish nation (Rom 11:1): "Hath God cast away his people? Is the rejection total and final? Are they all abandoned to wrath and ruin, and that eternal?

Commenting on Romans 11:1-32

John Gill Reformed Baptist @doctorgill

As concerning the Gospel,.... Whereas it might be objected to the call and conversion of the Jews, their implacable enmity to the Gospel, the apostle replies, by granting, that with respect to that, they were enemies to God and Christ, to the Gospel, and the ministers of it, and particularly to the apostle: for your sakes; the Gentiles, to whom it was preached, and by...