I do not want you to be ignorant of this mystery, brothers, so that you will not be conceited: A hardening in part has come to Israel, until the full number of the Gentiles has come in.
25. I would not, etc. Here he rouses his hearers to a greater attention, while he avows that he is going to declare something that was secret. Nor did he do this without reason; for he wished to conclude, by a brief or plain sentence, a very perplexed question; and yet he declares what no one could have expected.
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
For I would not, brethren,.... The apostle in order to raise the attention of the Gentiles to what he was about to deliver to them, not only styles them "brethren", expressing his affection for them, and their relation to him and other believing Jews, and to one another, being all one in Christ Jesus, partakers of the same grace, and heirs of the same glory...