Romans 9:27; Romans 11:5; Romans 11:25

27 And Isaiah cries out concerning Israel: nThough the number of the sons of Israel1 be as the sand of the sea, oonly a remnant of them will be saved,

So too at the present time there is na remnant, chosen by grace.

The Mystery of Israel’s Salvation

25 hLest you be wise in your own sight, I do not want you to be unaware of this mystery, brothers:1 ia partial hardening has come upon Israel, juntil the fullness of the Gentiles has come in.