Hebrews 11:12

And so there sprang from one man, and that dead as to any prospects for offspring, a people as numberless as the stars in the sky and as the sands beside the seashore.

Revelation 7:9-10

After this I looked, and there was a vast throng that no one could count from every nation, tribe, people, and tongue, standing before the throne and before the Lamb, clothed in white robes, with palm branches in their hands,

Treasury of Scripture Knowledge

Summary

As the host of heaven cannot be numbered, neither the sand of the sea measured: so will I multiply the seed of David my servant, and the Levites that minister unto me.

Bible References

The host

Hebrews 11:12
And so there sprang from one man, and that dead as to any prospects for offspring, a people as numberless as the stars in the sky and as the sands beside the seashore.
Revelation 7:9
After this I looked, and there was a vast throng that no one could count from every nation, tribe, people, and tongue, standing before the throne and before the Lamb, clothed in white robes, with palm branches in their hands,