
Sermon Idea: The story of Scripture progressively reveals God’s plan of redemption through his covenants to have one, unified people in Christ Jesus.
Introduction: I have loved roller coasters from a very young age. Numerous summer vacations were spent at Six Flags and Holiday World, and one memorable summer, we went to Kings Island, followed by two days at Cedar Point in Ohio. A roller coaster in Cedar Point ascends so high that if you could pause at the top, you could see across Lake Erie into Canada. That’s wild.
My sister and I love the entire experience. There is a sense of anticipation as you enter the car and begin to understand your surroundings. There is an increasing tension as your back hits the seat, you incline slowly, and your insides prepare for the inevitable drop. You reach the top, and then in seconds, the tension disappears as you drop rapidly without a single stop until you reach the resolution, where the car enters the platform and the ride is over.
What I am describing to you is the literal development of riding a roller coaster, but I could have changed a few phrases here and there so that the image of a roller coaster could be used to describe the development of a story.
If there are teachers in the room, they are undoubtedly familiar with this. Every good story has a developed plot, beginning with setting and characters. The story is developed over a series of scenes throughout which there is rising tension and the development of some problem, conflict, or dilemma.1
The story will then climax as the problem reaches its height. What will happen? How will this shake out?
Then there is the resolution in which the problem is worked out in some form or fashion as the story descends and the tension disappears. With the conflict gone and the resolution in play, lessons about how we now think, speak, and act in light of the story can be drawn.
What kind of book is the Bible? How should it be read? There are many bad ways to read the Bible, more than we have time to discuss here, but what are some well-intended but misguided ways to read the Bible?
We might think of the Bible as an instruction manual. It provides principles and lessons for doing what is right, so we read and draw out those principles. Indeed, the Bible is God’s revealed truth that teaches us how to live in accordance with this righteousness, but the Bible is not an instruction manual and cannot be read like one.
We might think of the Bible as a collection of wisdom. It consists of 66 books that are not really connected in any way but do contain wisdom for life. To be sure, the Bible contains wisdom. Wisdom literature is one of the major genres in Scripture, but we must not read the Bibe as a mere collection of unconnected and unrelated books.
The Bible is not an instruction manual or a collection of wisdom; it is a single, unified, coherent story revealing God and his works from creation to consummation. At the center of this story is all God does in the person and work of Jesus Christ.
How does this story develop? What are its major plot movements? One crucial way Christians have thought about the Bible’s story is by identifying four major movements: Creation, Fall, Redemption, and Consummation.
God creates the world and all that exists, including human beings in his image. All that God created was good, and human beings were created to live in God’s presence and in peaceful communion with him.
Despite all of God’s goodness and provision, human beings rejected God as Lord and sinned against him. So all of creation falls under a curse and judgment, with human beings being separated from God’s presence and communion.
God, in his love and grace, does not leave creation under this curse or humanity in separation from his presence. Instead, God graciously and mercifully works a plan of redemption that culminates in sending the Son, Jesus Christ, to live for us and die in our place.
When Jesus is raised from the dead, this story has its resolution, and what remains is for this resolution to be fully felt in the consummation of God’s redemptive plan in the New Heavens and the New Earth.
This is the true story of the world, without which we cannot understand why we are here, who we are, what is wrong with the world, and how it can be fixed.
For the next 12 weeks, we will study this story through those four major movements and how the Bible reveals God’s redemptive plan. I want us to see how the Bible structures and unfolds God’s plan from Genesis to Revelation. In particular, we are going to see how the covenants in the Bible are the backbone, or skeletal structure, on which this entire story hangs.
I can’t say it better than Dr. Stephen Wellum, “…Scripture is God’s own interpretation of his mighty acts unfolding his eternal plan that moves from creation to new creation along a specific covenantal storyline centered in Christ Jesus our Lord.”2
This morning, we will introduce this series by listening carefully to how Paul talks about God’s plan in Ephesians 3:1-13. We will start with the resolution and then go back to trace the story from beginning to end.
Here is what Paul teaches us in Ephesians 3:1-13: the story of Scripture progressively reveals God’s plan of redemption through his covenants to have one, unified people in Christ Jesus.
I.) God’s eternal plan of redemption is to have one, unified people in Christ.
I want us to see that God has one plan, which is eternal and centered on the person and work of Jesus Christ.
In Ephesians 3, Paul begins to pray and identifies himself as a prisoner on behalf of the Gentiles, For this reason I, Paul, a prisoner of Christ Jesus on behalf of you Gentiles— 2 assuming that you have heard of the stewardship of God’s grace that was given to me for you (Eph 3:1–2)
Gentile means non-Jewish. If you’re here this morning and you’re not an ethnic Jew, then you are a Gentile. So here is Paul beginning to pray, identifying himself as the apostle—God’s appointed messenger to the Gentiles—and he pauses, stops praying, and digresses into an explanation of how the Gentiles—the nations—fit into God’s redemptive plan.
We take this for granted, but there is much to adjust to when Paul writes this. Throughout the Old Testament, God covenants with one nation, Israel, and sets them apart as his people. Everyone else belonged to the nations, were unclean, and apart from God’s presence and blessing.
In the gospel, God reveals that his eternal plan was not to rule over one nation but over a redeemed people from every tribe, tongue, people, and nation.
When God started saving the Gentiles in large numbers, early Christians faced the question of how to be the church! How can Jews and Gentiles be one body in Christ, and how is that lived out? Paul addresses these very questions in Ephesians.
One way he does that is by appealing to the theme of mystery. In the Bible, mystery is not like a whodunit book or a mystery novel; in Scripture, mystery refers to something that was hidden but has now been revealed.
In verse 3, Paul says this mystery, “…was made known to him by revelation.”
In verse 4, Paul refers to it as the mystery of Christ. The mystery has now been revealedbecause of who Christ is and what Christ has done.
In verse 6, Paul defines the nature of the mystery. 6 This mystery is that the Gentiles are fellow heirs, members of the same body, and partakers of the promise in Christ Jesus through the gospel. (Eph. 3:6)
The mystery of Christ, according to Paul, is that God’s plan was always to have one people in Christ Jesus, and that the Gentiles are not only members, but they are equal members of God’s people. Through faith, the Gentiles are fellow heirs, members of the same body, and partakers of the promises in Christ Jesus through the gospel.
Paul says the same things with more dramatic flair in Galatians 3:28
28 There is neither Jew nor Greek, there is neither slave nor free, there is no male and female, for you are all one in Christ Jesus. 29 And if you are Christ’s, then you are Abraham’s offspring, heirs according to promise (Ga 3:28–29)
God has only had one redemptive plan for one people in Christ. God does not have one plan for Israel and another for people he calls the church. God’s one redemptive plan is from eternity and is worked out according to the counsel of his will. Listen to how Paul roots God’s plan in his eternal purpose.
God made known to us the mystery of his will, according to his purpose, which he set forth in Christ 10 as a plan for the fullness of time, to unite all things in him, things in heaven and things on earth.” (Eph 1:9–10)
Speaking of the mystery of Christ, Paul says. 11 This was according to the eternal purpose that he has realized in Christ Jesus our Lord (Eph 3:11)
Along with God’s eternal purpose, Christ’s centrality is crucial for us to grasp if we are to understand God’s plan from eternity. God redeeming a people in Christ is not plan B but the eternal purpose of God.
I’ve always loved football. If you have watched the game at any serious level, you know that the best Quarterbacks know how to audible at the line of scrimmage. They read the defense and change the play based on what they see.
God ruling over a people he redeemed through Jesus Christ was not an audible because of human sinfulness. God’s salvation of the Gentiles was not an audible because Israel rejected the Messiah.
Scripture unfolds God’s eternal plan of redemption, and Jesus Christ is the center of the plan.
God…who saved us and called us to a holy calling, not because of our works but because of his own purpose and grace, which he gave us in Christ Jesus before the ages began, 10 and which now has been manifested through the appearing of our Savior Christ Jesus (2 Ti 1:8–10)
I cannot stress enough how everything in the Bible prepares, points to, and preaches Jesus Christ. All of God’s promises find their amen in Jesus Christ, and God’s blessings can only be found through faith in Jesus Christ. Since Jesus Christ is the center of God’s plan, which is revealed in Scripture, understanding how Scripture unfolds this plan should be important for anyone who claims to love and trust Jesus Christ.
That brings us to our second point.
II.) God’s eternal plan of redemption is progressively revealed in Scripture through his covenants.
God’s eternal plan of redemption is not revealed instantaneously, but progressively over time. Paul states two different times in these verses that God has revealed the mystery of Christ with a clarity not known in previous times.
4 When you read this, you can perceive my insight into the mystery of Christ, 5 which was not made known to the sons of men in other generations as it has now been revealed to his holy apostles and prophets by the Spirit (Eph 3:4–5)
9 and to bring to light for everyone what is the plan of the mystery hidden for ages in God, who created all things, (Eph 3:9)
Scripture unfolds God’s redemptive plan through a series of covenants, which find their fulfilment and end in the New Covenant mediated by Jesus Christ.
Before we survey the major covenants in the Bible, it will be helpful to define the meaning of covenant.
In the book we are giving away this morning, Tom Schreiner offers this definition: ” A Covenant can be defined as follows: a covenant is a chosen relationship in which two parties make binding promises (and obligations) to each other.”3
The best example of a covenant in our time is marriage. In marriage, two people willingly make binding vows to one another.
In Scripture, God works out his redemptive plan through a plurality of covenants. There are six major biblical covenants, and an understanding of how these covenants relate to one another is crucial for understanding God’s revelation in Scripture.
1. Covenant of Creation (Gen. 1-2)
2. The Noahic Covenant (Gen. 6-9)
3. The Abrahamic Covenant (Gen. 12, 15-17)
4. The Mosaic Covenant (Exodus 19-24)
5. The Davidic Covenant (2 Samuel 7)
6. The New Covenant (Jeremiah 31:31-34, Heb. 8)
We will unpack each of these over the next several weeks, but we should summarize the story briefly and then make a few points.
At creation, God covenants with humanity. Adam and Eve are to be fruitful and multiply to fill the earth. They are supposed to exercise dominion over all of creation as God’s image bearers. This covenant included obligations. They were to eat of every tree except for one. Had Adam obeyed in all of these things, he would have inherited eternal life, but if he disobeyed, he would die. This is sometimes called a covenant of works because the covenant is based on Adam’s obedience or disobedience.
Adam disobeyed, and all of creation was cursed. However, even as God cursed all of creation, he promised a future covenant, not of works but grace. In Genesis 3:15, God promises that the seed of the woman would crush the head of the serpent.
All the covenants that follow are God’s way of fulfilling that promise, which is not fulfilled or realized until the New Covenant ratified by the death, burial, and resurrection of Jesus Christ, the seed of the woman.
When God makes the covenant with Noah, he promises to preserve creation until he can fulfill that promise.
When God covenants with Abraham, God’s redemptive plan is in full swing. God sets aside a people for himself to bring about the future seed of the woman, a Messiah.
When God covenants with Moses and Israel, God’s people learn of his holiness, righteousness, and law as they become a nation. This law not only sets them apart from other nations but also reveals that their sinful condition is just like the nations’—guilty and in need of a savior. They need more than the law; they need new hearts.
When God covenants with David, the nation is now a kingdom, and God promises a true king, who will rule over his people justly and sit on David’s throne forever.
Paul calls these covenants with Abraham, Moses, and David “covenants of promise” in Ephesians 2:12.
12 remember that you were at that time separated from Christ, alienated from the commonwealth of Israel and strangers to the covenants of promise, having no hope and without God in the world. (Eph 2:12)
These covenants define the relationship boundaries between God and his people, but they also reveal God’s plan over time and point forward to all God will do in Christ and in the new covenant. Once Christ comes, all the covenants of promises find their fulfillment in the new covenant and are no longer binding on God’s people as covenants.
14 For he himself is our peace, who has made us both one and has broken down in his flesh the dividing wall of hostility 15 by abolishing the law of commandments expressed in ordinances, that he might create in himself one new man in place of the two, so making peace (Eph 2:13–15)
6 But as it is, Christ has obtained a ministry that is as much more excellent than the old as the covenant he mediates is better, since it is enacted on better promises. 7 For if that first covenant had been faultless, there would have been no occasion to look for a second. (Heb 8:6–7)
Samuel Renihan uses the beneficial illustration of scaffolding and tarps to describe how the covenants of promise progressively bring about God’s kingdom through Christ.
“The Kingdom of Israel and its covenants were scaffolding around the kingdom of Christ and His covenant. Scaffolding and tarps give a general idea of something being built, but not necessarily a specific idea. They are not the final product, but they do contribute to the final product.”4
By carefully following God’s redemptive plan through the progression of the covenants, we can rightly see the unity of God’s plan, but also note the differences in each covenant. This will prevent us from submitting to commands and laws that are no longer binding, and help us understand how to live as God’s new covenant people. Some things never change because they’re founded in God’s righteousness.
Other things change because God only commands them for a particular people for a specific time.
III.) God’s eternal plan of redemption displays the wisdom of God through the unity of the church.
Let’s now return to Ephesians 3. God’s eternal plan of redemption displays wisdom through the unity of the church.
10 so that through the church the manifold wisdom of God might now be made known to the rulers and authorities in the heavenly places. 11 This was according to the eternal purpose that he has realized in Christ Jesus our Lord (Eph 3:10–11)
As God united Jews and Gentiles into one body in the church, God’s wisdom was known to the rulers and authorities in the heavenly places!
The church’s diversity and unity proclaim God’s manifold wisdom to the Angelic powers. It isn’t simply that their culture and ethnicity were different (though they were), it is that before the gospel, these two groups were alienated and hostile toward one another. This is why Paul emphasizes that Christ has removed the “dividing wall of hostility” in Ephesians 2:14.
This new relationship is only possible because of God’s work in the gospel. It is what Jamie Dunlop calls a supernatural community and a compelling community.5 The diversity and unity of the local church only come from God’s amazing grace in the gospel, which can take two hostile, opposing groups and make them one in Christ.
Today, in our ministry context, we should pray for a supernatural and compelling community at Waldo Baptist Church. We should pray that the Lord develops a culture at WBC that is multi-generational, multi-ethnic, and united in Christ and his gospel. We should foster more gatherings that are not age-segregated so that this type of community can develop and flourish. When our community at WBC only makes sense because God is real and the gospel is true, we will become a compelling community that is attractive to a fractured and broken world.
Conclusion
Understanding God’s eternal plan of redemption through his covenants reminds us that the Biblical story is not a theory or a fantasy. God has kept his promise, and in the church, we have the incredible privilege of declaring through our unity that God has won in Christ. It reminds us of God’s faithfulness, the goodness of his will, and our true hope in Christ—all to the praise of his glorious grace.
25 Now to him who is able to strengthen you according to my gospel and the preaching of Jesus Christ, according to the revelation of the mystery that was kept secret for long ages 26 but has now been disclosed and through the prophetic writings has been made known to all nations, according to the command of the eternal God, to bring about the obedience of faith— 27 to the only wise God be glory forevermore through Jesus Christ! Amen (Ro 16:25–27)
- Jonathan Pennington, Reading the Gospels Wisely (Grand Rapids, MI: Baker Academic, 2012) 174. ↩︎
- Stephen Wellum, Systematic Theology: From Canon to Concept (Brentwood, TN: B&H, 2024) 3934. ↩︎
- Thomas R. Schreiner, Covenant and God’s Purpose for the World (Wheaton, IL: Crossway, 2017) 13. Parentheses added by me because Schreiner adds the word obligations on page. 14 ↩︎
- Samuel Renihan, The Mystery of Christ: His Covenant and His Kingdom (Cape Coral, FL: Founder Press, 2020) 187. ↩︎
- Jamie Dunlop, Compelling Community: Where God’s Power Makes a Church Attractive(Wheaton, IL: Crossway, 2015) ↩︎
