The Apostle Paul
Romans 11:2BSB·traditional attribution

God did not reject His people, whom He foreknew. Do you not know what the Scripture says about Elijah, how he appealed to God against Israel:

John Calvin Reformed @genevareformer

2. God has not cast away, etc. This is a negative answer, accompanied with a qualifying clause; for had the Apostle unreservedly denied that the people were rejected, he would have been inconsistent with himself; but by adding a modification, he shows it to be such a rejection, as that God’s promise is not thereby made void.

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

God hath not cast away his people which he foreknew,.... The apostle goes on with his answer to the objection, by distinguishing and explaining who he meant by the people God had not cast away, namely, which were "foreknown" by him; for all mankind are in a sense his people, being made, maintained, and supported in their beings by him, yet they are not all...