Romans 9:27

But Isaiah crieth out concerning Israel, "Though the number of the sons of Israel be as the sand of the sea, only the remnant will be saved.

Romans 11:5

In the same way then at this present time also there is a remnant, according to the election of grace.

Treasury of Scripture Knowledge

Summary

For thus saith the LORD; Sing with gladness for Jacob, and shout among the chief of the nations: publish ye, praise ye, and say, O LORD, save thy people, the remnant of Israel.

Bible References

Remnant

Romans 9:27
But Isaiah crieth out concerning Israel, "Though the number of the sons of Israel be as the sand of the sea, only the remnant will be saved.
Romans 11:5
In the same way then at this present time also there is a remnant, according to the election of grace.