Faith and the Theology of the Cross

Text: Genesis 15:1-6

30 years ago, this March, Irish rock band U2 released its fifth studio album. The Joshua Tree. The album’s theme was based off the wide-open spaces of the American west. The album, which has gone on to sell more than 25 million copies, truly does bring out a sense of vast openness throughout its 50-minute length – particularly in the second track, “I Still Haven’t Found What I’m Looking For.” It’s still up in the air what exactly the song is about. There are references to the devil, to Jesus, and heaven. But, we’ll leave it to song critics to discuss it more. Whatever it means, the song brings out this idea of searching; of longing for something you know is there…but you haven’t found it yet.

Our text today from Genesis finds Abram in a similar situation. In the Bible, three chapters pass between when God first came to Abram and called him out of idolatry, promising to bless him and make a great nation out of him. Three chapters pass, but in time it’s about a decade between these chapters, maybe a little more. It’ll be more than that, still, before Isaac is born. Isaac, the child promised in our text. As we’ll see, Abram was a little fearful about his situation, about whether the things God had promised would actually come to pass. Then God appeared to him. He reassured Abram that the promise was not forgotten. Abram believed God, and the Lord counted his faith as righteousness. St. Paul said that these things were written not for Abram’s sake alone, but for ours. Today, we confess that, like Abram, the righteous live by faith in God’s promises – and they are not disappointed.

I.

We should all know the story of Abraham, but let’s recap it for a moment. The Flood happened in Genesis 6. Noah entered the ark with his wife, his sons, and their wives. 8 souls in all. Noah’s sons were Shem, Ham, and Japheth. After the Flood, the three sons all spread out and had children. Abram is a distant descendant of Shem. Abram and his family lived in a place called Haran and they had become pagans. They were unbelievers who worshipped idols. Then, in Genesis 12, God called Abram. He called him out of idolatry to worship the one true God and to go where the Lord would lead him. The Lord promised to bless Abram and make of him a great nation. So, Abram went.

Abram went as the Lord said, but it maybe wasn’t as straightforward and easy as he might’ve liked. There was a famine, so they went down to Egypt. While they were there, Abram did do somethings that were sinful. He doubted God’s promise; yet God forgave him. God also kept His promise and blessed Abram, who came up from Egypt a rich man. He amassed a large household and many servants – but no children. Abram rightly understood God’s promise to make him into a great nation required a son. But, as time went on, no son came. Abram started getting into trouble with neighboring nations, and with no son to inherit if he were to die, Abram began to fear and doubt whether this promise would pan out. In other words, Abram still hadn’t found what he was looking for.

After these things the word of the Lord came to Abram in a vision: ‘Fear not, Abram, I am your shield; your reward shall be very great.’”[1] As Abram began fearing for his future and doubting the promises of God, the Lord spoke to him in a vision. The Lord told Abram not to fear. For, despite appearances, the Lord was with him. Abram was sure that the Lord had reneged, or at least was second-guessing His promise. Abram said to God, “‘O Lord God, what will you give me, for I continue childless, and the heir of my house is Eliezer of Damascus…Behold, You have given me no offspring, and a member of my household will be my heir.’”[2] What Abram meant was: God promised to make him a great nation, and so far, that hadn’t happened. Sure, Abram was wealthy; but with no son by birth, that wealth would pass from his name to someone else. No great nation.

Then the Lord said, “This man shall not be your heir; your very own son shall be your heir.”[3] Abram was misled by his own conscience and felt that God wouldn’t make good. Things appeared to be the opposite of what God had promised. Abram felt abandoned. Then God made Abram another solemn promise. It wouldn’t be Eliezer of Damascus who would inherit him, but a son from Abram’s own body. Then God took him outside, and told Abram to number the stars. So, would his offspring be. Our text concludes with one of the most important verses in the whole Bible, “He believed the Lord, and He counted it to him as righteousness.”[4]

II.

The readings this week direct our minds to this idea: Even when it appears to the contrary, God doesn’t go back on His promises. God promised to make of Abram a great nation, and this nation would come from a son of his own flesh. The rest of Scripture – and history – tells us that, of course, this promise came true. Isaac was born when Abram was 99 years old. Isaac fathered Jacob, from whom is descended – according to the flesh – Jesus. St. Paul tells us that God’s promise to Abram was ultimately fulfilled in Christ and the great nation, now of billions, who have believed in His name. Abram believed God’s promise, even when it looked like it wasn’t going to happen. God counted his faith as righteousness. Eventually, Abram did find what he was looking for.

If Abram, that great patriarch of our faith, was fearful and doubting God’s promises, we shouldn’t be surprised to find ourselves suffering the same temptations. Like Abram, we have each been called out of pagan idolatry. We were all by nature born sinful and unclean, desiring to be our own “God.” But we were called out of that in the washing of Baptism. At our Baptism, the name of the Triune God was spoken over us and we were made heirs of the promise of Christ. Namely, the forgiveness of sins and eternal life that are found through faith in Him. At our Baptism, we were made heirs of the promise, and we are continually reminded of it through God’s Word – yet we are filled with doubts and fears.

Luther, considering this passage, failed to come up with an answer as to why God orders our lives in such a way. At times, we say that our suffering we endure teach us to rely on God or another lesson. Sometimes, we plumb the depths of reason and empathy to find a reason for our suffering. We know that suffering comes as a result of sin. But, more often than not, we fail to find an answer to, “Why me?” Then we begin to doubt, to fear, and to be angry that we also still haven’t found what we’re looking for.

Dear brothers and sisters, St. Paul did write, “The words ‘it was counted to him’ were not written for his sake alone, but for ours also.”[5] Meaning, this passage of Scripture wasn’t written for Abram’s sake alone, but for our benefit, also. We are meant to look at Abram’s suffering and fear, and Lazarus’, and find in them fellowship. Abram suffered, Lazarus suffered, our Lord suffered, we suffer. Abram suffered, at times thinking the Lord would not fulfill His promise; then He did. So, will He also fulfill His promise to us. What promise? The promise to remove our sins from us, which He has done in Christ. The promise to bring us to a land flowing with milk and honey, foreshadowed by the Promised Land and fulfilled in the New Creation. The promise to bring us through this valley of the shadow of death, and feed us beside still waters. The Lord spoke these things and others to Abram. Abram believed the Lord, and the Lord counted that faith as righteousness.

God grant that we also, by that same faith, would continue to be counted righteous. Scripture does say that the afflictions of the righteous are many, but also that the Lord delivers them out of them all. At times, it does feel like we aren’t finding what we’re looking for. But, God’s promises are sure and will ever stand true – even for us. Abram believed the Lord’s promise of deliverance, God counted His faith as righteousness and did deliver Him. He will deliver us, too. Amen.


[1] Gen. 15:1, English Standard Version.

[2] Gen. 15:2-3.

[3] Gen. 15:4.

[4] Gen. 15:6.

[5] Rom. 4:23-24.

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