Genesis 32:12

For You said, "I will surely treat you well, and make your descendants as the sand of the sea, which cannot be numbered for multitude."'

Surrounding context

32:11 Deliver me, I pray, from the hand of my brother, from the hand of Esau; for I fear him, lest he come and attack me and the mother with the children.

32:12 For You said, "I will surely treat you well, and make your descendants as the sand of the sea, which cannot be numbered for multitude."'

32:13 So he lodged there that same night, and took what came to his hand as a present for Esau his brother:

Translation and sources