Римлянам 11:7

What then?--How stands the fact? Israel hath not obtained that which he seeketh for--better, "What Israel is in search of (that is, Justification, or acceptance with God--see on Rom 9:31); this he found not; but the election (the elect remnant of Israel) found it, and the rest were hardened," or judicially given over to the "hardness of their own hearts."

The apostle, having reconciled that great truth of the rejection of the Jews with the promise made unto the fathers, is, in this chapter, further labouring to mollify the harshness of it, and to reconcile it to the divine goodness in general. It might be said, "Hath God then cast away his people?" The apostles therefore sets himself, in this chapter, to make a reply to this objection, and that two ways: - I. He shows at large what the mercy is that is mixed with this wrath (v. 1-32). II. He infers thence the infinite wisdom and sovereignty of God, with the adoration of which he concludes this chapter and subject (Rom 11:33-36).

11:7-8 the hearts of the rest were hardened: This is God’s own work; God has put them into a deep sleep and shut their eyes. See Acts 13:46-48; 18:6.