Romans 11:1-5

Then I say, Did God cast away his people? it could not be so. For I am indeed an Israelite, of the seed of Abraham, of the tribe of Benjamin.

Romans 11:26-29

and so all Israel shall be saved: as has been written, A leader shall come out of Zion, shall turn 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 away his people whom he foreknew. Do you not know what the scripture says in Elijah, how he makes intercession to God against Israel?