Romans 11:1-5

I SAY then, has God cast away his people? By no means; for I also am an Israelite, of the race of Abraham, of the tribe of Benjamin.

Romans 11:26-29

and so all Israel shall be saved; as it is written, A deliverer shall come from Zion, he shall turn away impiety 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 has not cast away his people whom he foreknew. Know you not what the Scripture says in Elijah, how he intercedes with God against Israel?