Romans 9:10-15

Nor is that all: later on there was Rebecca too. She was soon to bear two children to her husband, our forefather Isaac--

2 Corinthians 4:7

But we have this treasure in a fragile vase of clay, in order that the surpassing greatness of the power may be seen to belong to God, and not to originate in 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 a fragile vase of clay, in order that the surpassing greatness of the power may be seen to belong to God, and not to originate in us.