God has not repudiated his People, his predestined People! Surely you know what scripture says in the passage called 'Elijah'? You know how he pleads with God against Israel:

Now, brothers, I have to tell you about the grace God has given to the churches of Macedonia.

for it is God who in his goodwill enables you to will this and to achieve it.

furnish you with everything for the doing of his will, creating in your lives by Jesus Christ what is acceptable in his own sight! To him be glory for ever and ever: Amen.

Day

You will receive power when the holy Spirit comes upon you, and you will be my witnesses at Jerusalem, throughout all Judaea and Samaria, and to the end of the earth."

Uplifted then by God's right hand, and receiving from the Father the long-promised holy Spirit, he has poured on us what you now see and hear.)

when thy hand is stretched out to heal and to perform miracles and wonders by the name of thy holy Servant Jesus."

Thus did the word of the Lord increase and prevail mightily.

For though he was crucified in his weakness, he lives by the power of God; and though I am weak as he was weak, you will find I am alive as he is alive by the power of God.

But the God who had set me apart from my very birth called me by his grace,

Beauties

He chose us in him ere the world was founded, to be consecrated and unblemished in his sight,

God did not call us to be impure but to be consecrated;

who gave himself up for us to redeem us from all iniquity and secure himself a clean people with a zest for good works.

From the womb, etc

After that I looked, and there was a great host whom no one could count, from every nation and tribe and people and tongue, standing before the throne and before the Lamb, clad in white robes, with palm-branches in their hands;

General references

You see, it is not a question of human will or effort but of the divine mercy.