Rom 11:2

“"He hath not cast off His people, whom He foreknew." As though he said, I have with me three, five, or ten thousand. What then? has the people come to be three, five, or ten thousand? that seed that compared with the stars of heaven for multitude, or the sand of the sea? Is this the way you deceive us and put a cheat upon us, by making the whole people thyself and the few that are with thee; and didst thou inflate us with idle hopes, and say that the promise has been fulfilled, when all are lost, and the salvation comes down to a few? This is all bombast and vanity! we cannot away with such sophistry as this. Now, that they may not say this, see how in the sequel he proceeds to the answer, not giving the objection indeed, but before it grounding the answer to it upon ancient history. What then is the answer? "Wot ye not," he says, "what the Scripture saith of Elias? how he maketh intercession to God against Israel, saying, Lord, they have killed Thy prophets, and digged down Thine altars; and I am left alone, and they seek my life. But what saith the answer of God unto him? I have reserved to Myself seven thousand men, who have not bowed the knee to the image of Baal. Even so then at this present time also, there is a remnant according to the election of grace." What he means is nearly this. "God hath not cast off His people." For had He done so, He would have admitted none of them. But if He did admit some, He hath not cast them off. Still it is said, if He had not cast off, He would have admitted all. This does not follow; since in Elijah's time the part to be saved had come down to "seven thousand:" and now also there are probably many that believe. But if you do not know who they are, this is no wonder, for that prophet, who was so great and good a man, did not know. But God ordered things for Himself when even the prophet knew them not. But consider his judgment. Now in proving what was before him, he covertly augments the charge against them. For this is why he gave the whole passage, that he might parade before them their untowardness, and show that they had been so from of old. For if he had not wished this, but had directed his whole attention to prove that the people lay in the few, he would have said that even in Elijah's time, seven thousand were left. But now he reads to them the passage further back, as having been throughout at pains to show that it was no strange thing that they did with Christ, and the Apostles, but their habitual practice. For to prevent their saying that it was as a deceiver we put Christ to death, and as impostors that we persecute the Apostles, he brings forward the text which says, "Lord, they have killed Thy prophets, and digged down thine altars." Then in order not to make his discourse galling to them, he attaches another reason to the bringing forward of the text. For he quotes it not as if it was on purpose to accuse them, but as if intent upon showing some other things. And he leaves them without any excuse even by what had before been done.”

“God has not rejected those whom he knew in advance would believe. Paul eliminates any occasion for pride among the Gentiles, in case they become boastful because so few of the Jews believed.”

“Predestination is sometimes designated by the name of foreknowledge, as here, where "he foreknew" can only mean "he predestined," as the context of what follows demonstrates.”

“Second, when he says: God has not cast away, he shows that his people has not been rejected by God in regard to many chosen ones. First, he states his proposition; second, he recalls a similar situation, saying do you not know; third, he adapts it, at even so then, at this present time. First, therefore, he says: not only have I not been rejected, but God has not cast away his people which he foreknew, i.e., the predestined ones. For whom he foreknew, he also predestined (Rom 8:29). For the Lord will not reject his people (Ps 94:14). The Apostle applies this to the predestined. Then when he says, do you not know, he recalls a similar situation which occurred during the time of Elijah, when all the people seemed to have turned from the worship of the one God. First, he presents Elijah's plea; second, the Lord's reply, at but what does the divine answer say. First, therefore, he says: do you not know what the Scripture says of Elias, i.e., in 1 Kings (1 Kgs 19:10). Or, of Elias, i.e., in the book written about Elijah. For the entire book of Kings was written mainly to make known the sayings and deeds of the prophets. That is why it is counted among the prophetic books, as Jerome says. How he, namely Elijah himself, calls on God against Israel. The word of Samuel seems to be contrary to this when he says: far from me be this sin against the Lord, that I should cease to pray for you (1 Sam 12:23). Much less, then, should one intervene against the people. But it should be noted that prophets intervene against the people in three ways: in one way by conforming their wills to the divine will revealed to them, as it says in a psalm: the just will rejoice when he sees the vengeance (Ps 58:10). In another way by intervening against the kingdom of sin, in order that men's sins but not men be destroyed. In a third way that the intervention or prayer be construed as a denunciation, as in Jeremiah: let them that persecute me be confounded (Jer 17:18), i.e., they will be confounded.”

“This is what the Savior says: "Father, I have kept those whom thou didst give to me, and none of them is lost but the son of perdition."”