So in the same way, God wanted to end all doubt and confirm it even more forcefully to those who would inherit his promises. His purpose was unchangeable, so God added his vow to the promise.
When the messengers returned to Jacob, they informed him, “We gave your brother Esau your message, and he himself is coming here to meet you. In fact, he’s on his way now with four hundred men!”
In fact, so many children were subsequently fathered by this aged man of faith—one who was as good as dead, that he now has offspring as innumerable as the sand on the seashore and as the stars in the sky!