Romans 4:16-18

Therefore it is of faith, that it might be of grace, that the promise might be firm to all the seed; not only to that which is of the law, but to that also which is of the faith of Abraham, who is the father of us all, (As it is written,

Hebrews 11:12

Therefore there sprang even from one, and him as it were dead, as the stars of heaven for multitude, and as the sand which is on the sea-shore innumerable.

Revelation 7:9

After this I saw, and behold a great multitude, which no man could number, of all nations, and tribes, and people, and tongues, standing before the throne and before the Lamb, clothed with white robes and palms in their hands.

Treasury of Scripture Knowledge

Summary

And I will make thy seed as the dust of the earth: so that if a man can number the dust of the earth, then shall thy seed also be numbered.

Bible References

General references

Romans 4:16
Therefore it is of faith, that it might be of grace, that the promise might be firm to all the seed; not only to that which is of the law, but to that also which is of the faith of Abraham, who is the father of us all, (As it is written,
Hebrews 11:12
Therefore there sprang even from one, and him as it were dead, as the stars of heaven for multitude, and as the sand which is on the sea-shore innumerable.
Revelation 7:9
After this I saw, and behold a great multitude, which no man could number, of all nations, and tribes, and people, and tongues, standing before the throne and before the Lamb, clothed with white robes and palms in their hands.