Romans 9:27

And Isaiah declares about [the nation of] Israel [Isa. 10:22-23], "[Even] if the number of Israelites were [as many] as the grains of sand in the ocean, [still only] a small minority will be saved.

Romans 11:4-6

But how did God answer him? [I Kings 19:18 says], "I [i.e., God] have kept for myself seven thousand men who have not bowed their knee [in worship] to Baal [Note: "Baal" was a term used for one of the idols worshiped in Elijah's day by Canaanites and others in Palestine].

Treasury of Scripture Knowledge

Summary

Esaias also crieth concerning Israel, Though the number of the children of Israel be as the sand of the sea, a remnant shall be saved:

A remnant

Bible References

A remnant

Romans 11:4
But how did God answer him? [I Kings 19:18 says], "I [i.e., God] have kept for myself seven thousand men who have not bowed their knee [in worship] to Baal [Note: "Baal" was a term used for one of the idols worshiped in Elijah's day by Canaanites and others in Palestine].