Romans 9:10-15

and not to her only; but Rebecca also being with child by our father Isaac,

2 Corinthians 4:7

But we have this treasure in earthen vessels, that the excellence of the power might be evidently of God, and not of us:

Treasury of Scripture Knowledge

Summary

For they got not the land in possession by their own sword, neither did their own arm save them: but thy right hand, and thine arm, and the light of thy countenance, because thou hadst a favour unto them.

Bible References

For

2 Corinthians 4:7
But we have this treasure in earthen vessels, that the excellence of the power might be evidently of God, and not of us: