16. And so the promise was based on faith, in order that the promise should be guaranteed as God's free gift to all of Abraham's descendants — not just to those who obey the Law, but also to those who believe as Abraham did. For Abraham is the spiritual father of us all;
17. as the scripture says, “I have made you father of many nations.” So the promise is good in the sight of God, in whom Abraham believed — the God who brings the dead to life and whose command brings into being what did not exist.
18. Abraham believed and hoped, even when there was no reason for hoping, and so became “the father of many nations.” Just as the scripture says, “Your descendants will be as many as the stars.”
19. He was then almost 100 years old; but his faith did not weaken when he thought of his body, which was already practically dead, or of the fact that Sarah could not have children.
20. His faith did not leave him, and he did not doubt God's promise; his faith filled him with power, and he gave praise to God.