Abraham was a man who lived in a real world; a world filled with the same things we face today. Misunderstandings, disappointments, sorrows, selfishness, sin, war, and death were facts of everyday life just as they are today. In the contexts of these hopeless facts of life, Abraham had hope!
Against all hope, Abraham in hope believed and so became the father of many nations, just as it had been said to him, “So shall your offspring be.” Without weakening in his faith, he faced the fact that his body was as good as dead—since he was about a hundred years old—and that Sarah’s womb was also dead. Yet he did not waver through unbelief regarding the promise of God, but was strengthened in his faith and gave glory to God, being fully persuaded that God had power to do what he had promised. This is why “it was credited to him as righteousness.” The words “it was credited to him” were written not for him alone, but also for us, to whom God will credit righteousness—for us who believe in him who raised Jesus our Lord from the dead. He was delivered over to death for our sins and was raised to life for our justification. (Romans 4:18-25 NIV)
Why did Abraham have hope when the circumstances offered him no hope? Because, in the midst of these hopeless circumstances, Abraham chose believe God. He did not just believe in God; no, he believed God! (Rom 4:18-25) He became fully persuaded that God had power to do what He had promised (Rom 4:21).
As those in Christ Jesus, we have the same hope against our hopeless circumstances, today. The narrative given us in Gen 12 – 25 was not written just to give Abraham credit for his faith (Rom 4:23), but they were written for us who believe in the resurrected Christ and the powerful promise keeping God who raised Him from the dead (Rom 4:24-25)!
The hope God gives us in Christ Jesus, through His Spirit who lives in us, does not disappoint us (Rom 5:5)! God has never promised us, in Christ, that we would have it easy in this world (cf John 16:33). However, He has promised us – never will I leave you, and never will I forsake you (Heb 13:5) and in Christ Jesus we have not condemnation (Rom 8:1). So, we like Abraham are able to be persuaded that God has power to keep His promises, and we know and rely on the love God has for us (1 John 4:16), while we face all the facts of this life!