Romans 11:1-5
I say then, God has not disowned His people, has He? Of course not! Why, I am an Israelite myself, a descendant of Abraham, a member of the tribe of Benjamin.
Romans 11:26-29
and so in that way all Israel will be saved, just as the Scripture says: "From Zion the Deliverer will come; He will remove 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
No, God has not disowned His people, on whom He set His heart beforehand. Do you know what the Scripture says in Elijah's case, how he pleaded with God against Israel?