What difference does this make? Christ is, nevertheless, preached in every way, whether in pretense or in truth; and in this I rejoice, yes, and I will rejoice:

Israel

but Israel, who sought after a law of justification, has not attained to a law of justification.

For being ignorant of God's plan of justification, and seeking to establish their own plan of justification, they have not submitted to God's plan of justification.

Strive to enter in through the strait gate; for many, I say to you, will seek to enter in, and shall not be able.

For you know that afterward, when he desired to inherit the blessing, he was rejected: for he found no means to change his father's mind, though he sought it earnestly with tears.

But the election

Thus, then, at the present time also, there is a remnant according to the election of grace.

And we know that all things work together for good, to those who love God, to those who are called according to his purpose.

and, that he might make known the riches of his glory on the vessels of mercy which he before prepared for glory, showed mercy to us,

according as he chose us in him before the foundation of the world, that we should be holy and blameless before him in love,

But we are bound to give thanks to God always for you, brethren, beloved of the Lord, because God did, from the beginning, choose you to salvation, by sanctification of the Spirit and belief of the truth,

elect according to the foreknowledge of God the Father, by the sanctification of the Spirit, in order to obedience, and sprinkling of the blood of Jesus Christ: grace be to you, and peace be multiplied.

And the rest

And in them is fulfilled the prophesy of Isaiah, which says: You shall surely hear, and you will not understand; and you shall surely see, and you will not perceive.

He has blinded their eyes, and hardened their heart, lest they should see with their eyes, and understand with their heart, and should turn, and I should give them health.

But their minds were blinded: for till this day, in the reading of the old covenant, the same vail remains not taken away, which vail is removed in Christ.

whose unbelieving minds the god of this age has darkened, so that the light of the glorious gospel of Christ, who is the image of God, should not shine to them.

and with all the delusion of unrighteousness in those who perish, because they did not receive the love of the truth, in order that they might be saved.

Blinded

Therefore, he has mercy on whom he wills to have mercy: and whom he wills to harden, he hardens.

General references

They knew not that he was speaking to them of the Father.