Romans 9:27

But Isaiah cries concerning Israel, Though the number of the children of Israel is as the sand of the sea, a remnant shall be saved;

Romans 11:5

So then also at the present time 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 cries concerning Israel, Though the number of the children of Israel is as the sand of the sea, a remnant shall be saved;
Romans 11:5
So then also at the present time there is a remnant according to the election of grace;