Romans 11:1-5

I say, then, did God cast off His people? It could not be! For I also am an Israelite, of the seed of Abraham, of the tribe of Benjamin.

Romans 11:26-29

and so all Israel shall be saved; even as it has been written, "There will come out of Zion the Deliverer; He will turn away ungodliness from Jacob;

Treasury of Scripture Knowledge

Summary

Thus saith the LORD; If heaven above can be measured, and the foundations of the earth searched out beneath, I will also cast off all the seed of Israel for all that they have done, saith the LORD.

Bible References

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Romans 11:2
God did not cast off His people whom He foreknew. Or know ye not what the Scripture says of Elijah? how he pleads with God against Israel: