Romans 4:3 (MSG) says, What we read in Scripture is, “Abraham entered into what God was doing for him, AND THAT WAS THE TURNING POINT. HE TRUSTED GOD TO SET HIM RIGHT INSTEAD OF TRYING TO BE RIGHT ON HIS OWN.”

That is a mouthful already… Abraham had a turning-point. He TRUSTED God instead of TRYING to do it HIMSELF. Keep reading.  

…as Scripture says: “I have made you a father of many nations.” Abraham believed when he stood in the presence of the God who gives life to dead people and calls into existence things that don’t even exist. When there was nothing left to hope for, Abraham still hoped and believed. As a result, he became a father of many nations, as he had been told: “That is how many descendants you will have.”  

Abraham didn’t weaken. Through faith he regarded the facts: His body was already as good as dead now that he was about a hundred years old, and Sarah was unable to have children. He didn’t doubt God’s promise out of a lack of faith. Instead, giving honor to God for the promise, he became strong because of faith…. and was absolutely confident that God would do what He PROMISED.  (Romans 4:17-21  GW)

When there was nothing left to hope for, Abraham still hoped and believed. Everything was against Abraham… but he had a God with a PROMISE! “We should learn from… 

Abraham’s faith was ‘confidence in a person’ “in the presence of Him whom he believed—God, who gives life to the dead and calls those things which do not exist as though they did.”