Romans 4:17-18

That’s what the Scripture means when it says: “I have made you the father of many nations.” He is our example and father, for in God’s presence he believed that God can raise the dead and call into being things that don’t even exist yet. Against all odds, when it looked hopeless, Abraham believed the promise and expected God to fulfill it. He took God at his word, and as a result he became the father of many nations. God’s declaration over him came to pass