Why Give to Local Church Work

Matthew 16:13-20 August 30, 2026 Pastor Ricky Alcantar
Thesis Because the church is Jesus' uniquely chosen instrument for proclaiming the gospel and the only organization entrusted with the keys to eternal life, giving to the local church is not optional charity but essential investment in the most valuable work in the world.
Series
Radical Generosity
Type
Expository
Tone
pastoraldidacticcelebratory
Method
grammatical-historicalredemptive-historicalapplicatory
What's in this sermon

The shape of the argument

38 units across exposition, application, illustration, theological claim, and conclusion. The pastor's argument is built from these moving parts.

Pastoral correction · unit #10
"The pastor applies the exposition by contrasting our casual, 'get in and get out' posture toward the church with Jesus' covenantal commitment, calling the congregation to examine whether their own relationship to the church reflects Jesus' convictions about it."
Doctrinal loci· 14 surfaced
Ecclesiology · 27 Soteriology · 9 Christology · 5 Ethics / Moral Theology · 4 Bibliology · 3 Doxology / Worship · 3 Eschatology · 3 Hamartiology · 3 Pastoral Theology · 2 Pneumatology · 2 Covenant Theology · 1 Providence / Sovereignty · 1 Sanctification · 1 Theology Proper · 1
Bible citations· 12
Matthew 16:13-20 | Matthew 16:18 | Matthew 16:17 | Matthew 16:19 | Ephesians 4:11-12 | 1 Peter 5 | Galatians 6 | Matthew 16:16
Illustrations· 6
  1. personal story · unit #3 — The pastor tells a personal story about owning and then selling a 1973 Ford Mustang due to practical financial pressures, only to deeply regret the decision years later because he failed to recognize the car's unique value at the time.
  2. personal story · unit #7 — The pastor tells a story about confounding a car salesman who expected a casual commitment but encountered instead a long-term, 'until the wheels fall off' commitment, illustrating the contrast between casual and covenantal relationships.
  3. analogy · unit #17 — The pastor uses the analogy of a wedding—where disparate and even antagonistic people are drawn together solely by their relationship to the bride or groom—to illustrate how the church unites people through their common relationship to Christ.
  4. personal story · unit #24 — The pastor uses a marketing class teaching about 'giving the stakes' (illustrated by WD-40 and timeshare pitches) to set up the question of what stakes the church operates on, preparing for the climactic assertion about eternal consequences.
  5. personal story · unit #27 — The pastor shares a vulnerable personal testimony about lifelong financial anxiety rooted in a survival mentality, his conviction about insufficient generosity to the church, and the surprising experience of greater freedom and joy as he has increased giving—reframing the shift from kingdom-building to kingdom-joining.
  6. personal story · unit #35 — The pastor tells a third car story—about his 2007 Pontiac Vibe, which was not attractive but became precious through a decade of memories (honeymoon, pastoral training, bringing his son home from the hospital)—as an analogy for how the local church becomes valuable not through initial glamour but through accumulated experiences of God meeting His people.
Theological claims· 14
  1. The local church has no comparison in the world around us—it is unique and valuable, and yet we often miss it as it's staring us in the face. unit #4
  2. Jesus' commitment to the church is proven unconditional by the cross—the word 'my' is written in the blood of the only Son of God. unit #8
  3. The church is not a place for good people who have fixed their lives—that is a fundamental misunderstanding the text will correct. unit #13
  4. The church is not for perfect people—it is for people like you and me and Peter who have failed and found grace. unit #15
  5. The church is the only place in the world where the living God draws lost rebels to Himself, gives them a home and new life, and in drawing them to Him, draws them to one another. unit #16
  6. The church is united not by natural affinities but by the one thing believers have in common—they have met Jesus and been drawn to Him. unit #18
  7. The church is powerful not because of formulas or strategies but because the living God uniquely dwells with His people when they assemble. unit #19
  8. The church is the only organization in the world entrusted with the keys to the kingdom and working on the scale of eternal life, not merely temporal relief. unit #23
  9. The church is not an optional accessory but the God-appointed place of gospel proclamation operating on the stakes of heaven and hell, eternal life or eternal loss. unit #25
  10. Cross of Grace is committed to preaching God's Word God's way—primarily through expositional teaching (75%+ of the time)—because Jesus gave us the Word in book form and Jesus is the foundation of the church. unit #30
  11. Cross of Grace aims to create a gospel choir, not a concert—every service element is corporate worship by the assembled people of God, not performance for passive consumers. unit #31
  12. Cross of Grace aims for plurality in leadership over personality-driven leadership because all leaders are merely pointers to Jesus, who alone is the head of the church. unit #32
  13. Cross of Grace aims to build deep, disruptive relationships that require sacrifice, not disposable, low-commitment connections. unit #33
  14. In kids and youth ministry, Cross of Grace commits to preaching timeless truth rather than chasing generational trends, because the next generation needs Jesus' unchanging truth. unit #34
Quotations· 2
"we as a church are, and as the people of God, as Christians, we're to care about all suffering, especially eternal suffering. We're to care about all of life, especially eternal life." — John Piper (unit #19)
"we as a church are, and as the people of God, as Christians, we're to care about all suffering, especially eternal suffering. We're to care about all of life, especially eternal life." — John Piper (unit #25)
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Full transcript

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0 · The pastor frames the sermon within a mini-series on radical generosity, clarifies the church's infrequent approach to this topic (every 15 years), and establishes three distinct pastoral aims: encouraging faithful givers, inviting non-givers to consider biblical teaching without pressure, and cultivating a legacy of sowing generous givers into churches beyond Cross of Grace

Church, good to see you today. I want to invite you to open your Bibles to Matthew chapter 16, if you would. We are, as Daniel mentioned, in a mini-series on radical generosity because we want to become a radically generous church. This summer we announced a number of significant investments in ministries and things around the world, and we don't want those gifts to be sort of our last big gifts. We want them to be our first big gifts in investment around the world. And we wanna be generous, not just with our money, but with our resources, our people. We don't want Sal's plant in Horizon to be the last plant or the boxes checked. Now we planted a church, but rather the first of many plants. So here's my goals for this series. First, If you are part of Cross of Grace and you've been here for a while, you know that we don't do a series every year on radical generosity. In fact, I think we do one, if memory serves, about every— according to at least how long I've been here— about every 15 years. So it's not an everyday thing for us, but we felt like with where we were, we wanted to reset out this value that we've had for many years as a church. So if you are a faithful giver to the church, if you have invested over the years in this work and in this place or in another local church perhaps, we want you to be encouraged that what you are doing is making a difference, that it is valuable and good in the sight of God. And you're not gonna hear that out there. No financial advisor expert is gonna be like, yeah, that's a great investment for you. No, but it's a great investment for the kingdom. And so we wanna encourage you and stir you up. Second, if you are not currently giving to your local church, whether it's this one, whether you're part of another church, we wanna encourage you to consider it by essentially laying out in front of you what the Bible says about giving and generosity in the church. We're not aiming to twist your arm. We're not aiming to give you a dollar amount that you need to give by the end of the series. Instead, we're just trying to lay out before you, here's what the Lord would have you consider. And third, if you are in transition, we know El Paso del Norte is famous for having people here for a season. Maybe you come for a season, maybe you're going away for a season. We would love that. One of the legacies of Cross of Grace is that we sow generous givers into churches all across America and perhaps all around the world. We would love that to be one of our sort of looking back things that we've invested in the kingdom of God. But right now we're going to turn our attention to an even more fundamental question than giving in Matthew 16.

1 · The pastor reads the entire primary text aloud, providing the biblical foundation for the sermon's argument about the church, its identity, and its mission

So Matthew 16 is where we are. We're going to begin reading in verse 13. And as we read, let's remember this is God's Word. Now, when Jesus came into the district of Caesarea Philippi, He asked His disciples, who do you say that the Son of Man is? And they said, some say John the Baptist, others say Elijah, and others Jeremiah or one of the prophets. And He said to them, but who do you say that I am? And Simon Peter replied, you are the Christ, the Son of the living God. And Jesus answered him, blessed are you, Simon Bar-Jonah, for flesh and blood has not revealed this to you, but my Father who is in heaven. And I tell you, you are Peter, and on this rock I will build my church, and the gates of hell shall not prevail against it. And I will give you the keys of the kingdom of heaven, and whatever you bind on earth shall be bound in heaven, and whatever you loose on earth shall be loosed in heaven. And then He strictly charged the disciples to tell no one that He was the Christ. This is God's word.

2 · Opening prayer asking for God's blessing on the preaching and hearing of the Word

And Lord, we pray for your blessing over the preaching and the hearing of your word today in your house. Amen.

3 · The pastor tells a personal story about owning and then selling a 1973 Ford Mustang due to practical financial pressures, only to deeply regret the decision years later because he failed to recognize the car's unique value at the time

Well, for a very brief, all too brief moment in my life, I owned one of the most beautiful automobiles ever made. It was a 1973 Ferrari. Ford Mustang, baby blue with a white leather interior. Now, if you're a car guy, you're like, yep, that, like, I remember this. It's a very distinct sort of era in the early '70s with this. The car though needed a significant amount of work and it guzzled gas like nothing that's ever been produced in America. I think that the gas, I don't remember what the gas mileage was, but it was in the single digits. It was like 6, you know, I wasn't used to seeing that for a car. 6 miles to the gallon, okay. And my grandfather, my granddad had given me the car because he had kept it in storage for a number of years after he got it in payment for a job. So he was a contractor kind of a guy, and so he had done some work for somebody and they gave him this old car and kind of, he held on to it. And so he gave it to me because he thought, well, this would be great for my grandson. There was a problem though. It was an expensive car. It was going to be expensive in repairs. It was going to be expensive as things broke down. It was going to be a pain in repairing. I didn't have a ton of money, so I was going to have to learn like from the ground up how to repair this thing. And I knew zero about cars. I think I knew negative zero about cars. I didn't even know there were 2 air filters, right? There's a car air filter and an air filter for me. I don't— what does that even mean? So that's where I was. And there was another problem. I was living on the West Side at the time. I was going to college at UTEP. And then I was working. My college job was all the way over at the Zaragoza Bridge. If you know where that is off of the Loop. Right. If you, if you were like, okay, wait, so the car gets 8 miles a gallon. You're driving from the West Side to UTEP, UTEP to Zaragoza, back home. I had calculated and realized I think maybe I could break even by going out there to work and earn the money that it costs to drive out there. And so I realized this is, this is a problem. And so I did what is now unthinkable to me. I sold the car and got a sensible, boring sedan. Now, When I look back on that, I think exactly what you are thinking. How in the world could you have given that car up? I had a brother at the end of the first service say, I would— I think you need to go into counseling. Like not to counsel someone, but you need to receive counseling from a car club to just try to help you understand what things are worth, Ricky. And every time, I will say this, every time I see a 1970s era Ford Mustang, I die a little bit inside. It just, it wears away at me every time. I just, oh, just I feel it. And the car was so unique and so precious, but at the time I did not see it for what it was, right? I just saw, okay, I need a vehicle, I need to go to work, I need to go to school, I like, I whatever, I need what's right in front of me.

4 · The pastor connects the Mustang illustration to the central question of the sermon: why give to the local church when there are so many needs in the world? He identifies the deeper question—what is a local church?—and asserts the thesis that the local church is categorically unique and valuable, though often overlooked

And sometimes, friends, we miss the value that is staring us in the face right in front of us, don't we? Now today, we're gonna connect this to the local church and to giving because one of the most fundamental questions about giving is not just should I be generous and give in general? Should we be blessed to be a blessing in general? But why would I consider giving to the local church? Very common question, very honest question because in a world of practical needs, there's so many needs around us, why would the local church be a place I invest? And that question, I think, there's a question underneath it. And the question underneath is this, well, what is a local church? Is a local church just another NGO nonprofit that's out there, one of see what aligns with your interests and give to that? Or is it something different? And what I want to argue from Matthew 16 is the local church has no comparison in the world around us. It is unique and it is valuable, and yet we often miss it as it's staring us in the face.

5 · The pastor announces the sermon's three-part structure, organizing the exposition around the church's relationship to the Lord, to believers, and to the world

So we're gonna answer 3 questions today, very brief. What is the church to the Lord? What is the church to us? And then what is the church to the world?

Where this fits

Recent preaching context

The three sermons immediately preceding this one in the preaching schedule.

Aug 2, 2026
The only path to a happy life is life oriented vertically toward God in appropriate fear and horizontally outward toward neighbor, rather than bent inward on itself in envy, isolation, religious pretense, or material pursuit.
Ecclesiastes 4-6
Aug 16, 2026
True wisdom in life comes not from chasing the endless false promises around us, but from fearing God, obeying His commands, and trusting that He will bring all things—even suffering and injustice—under His righteous judgment for His glory and our good.
Ecclesiastes 12
Aug 23, 2026
Christians should live lives of radical generosity because they have been blessed by God through Christ in order to be a blessing to others, stewarding God's gifts for the purposes of building His kingdom rather than their own.
Genesis 12:1-4
August 30 · This sermon
Why Give to Local Church Work
Because the church is Jesus' uniquely chosen instrument for proclaiming the gospel and the only organization entrusted with the keys to eternal life, giving to the local church is not optional charity but essential investment in the most valuable work in the world.
Matthew 16:13-20
Take it further

Discuss · apply · pray

Small-group discussion

6 questions for your group this week

  1. In Matthew 16:18, Jesus says 'on this rock I will build my church.' What does it mean that Jesus uses the possessive word 'my' when describing the church? How does that ownership shape the way you think about your local church?
    Matthew 16:18
    → If the church truly belongs to Jesus and was purchased with His blood, how should that change the way we talk about 'our' church or the decisions we make about supporting it?
  2. The sermon says the church is 'not a place for good people who have fixed their lives.' Looking at Peter's story in this passage and what you know of him from the Gospels, what does his presence among the disciples tell us about who the church is actually for?
    Matthew 16:17-18
  3. According to the sermon, the church is united not by natural affinities—shared hobbies, politics, or background—but by one thing believers have in common. What is that one thing, and how does that change the way you see the people sitting next to you on Sunday morning?
    → Can you think of a relationship in your church community that would never have happened outside the church, but exists because you've both met Jesus?
  4. Jesus gives Peter 'the keys to the kingdom of heaven' in Matthew 16:19. The sermon claims the church is the only organization in the world entrusted with these keys—working on the scale of eternal life, not merely temporal relief. What does this mean practically for how we should think about our giving to the local church versus other charitable causes?
    Matthew 16:19
    → How does understanding that the church deals in heaven-and-hell stakes change the urgency or joy with which you support gospel proclamation?
  5. The sermon identifies three commitments of Cross of Grace: expositional preaching of God's Word, corporate worship led by the assembled people rather than performance for consumers, and plurality in leadership rather than personality-driven ministry. Of these three, which one resonates most deeply with you as you think about why the local church matters, and why?
    Ephesians 4:11-12
  6. The sermon ends with an invitation: because the church becomes precious over time as the place where Jesus dwells with His people, we should invest our time, money, attention, love, and commitment where Jesus has His. When you look at your own life right now, where are you actually investing? What would need to shift for your investment to align with where Jesus has placed His treasure?
    → What is one concrete step you could take this week to increase your investment in the local church?
Daily readings · Monday–Friday

5-day reading plan

This week we deepen our understanding of why the church matters so much that Jesus built it on the rock of His own person—by walking through five cross-references that show us the church's irreplaceable role in God's economy.

Monday Ephesians 4:11-12

Paul reminds us that Christ gave the church apostles, prophets, evangelists, and pastor-teachers—not to display perfection, but to equip the saints for the work of ministry. Notice: the leaders themselves are gifts to a broken body, not judges of it. We gather as broken people who have met Jesus, and He has given us these gifts precisely because we need help growing up into His image together.

Tuesday 1 Peter 5

Peter writes to shepherds scattered across different nations and cultures, yet they share one flock, one Chief Shepherd. The unity isn't ethnic, social, or cultural—it's covenantal. We belong to one another because we all belong to Christ. This is why giving to the local church is not an optional charity; it's an investment in the only organization on earth held together by the blood of Jesus.

Wednesday Galatians 6

Paul tells the Galatians to bear one another's burdens and so fulfill the law of Christ—because the church is not a collection of isolated individuals but a family bound by shared grace. When we give to the local church, we're funding the only place on earth where strangers become family, where the lonely find home, and where rebels are reconciled both to God and to one another through the cross.

Thursday Ephesians 4:11-12

The gifts Christ gave—pastors, teachers, apostles—work together to build up the body of Christ toward maturity in Him. No single leader or strategy makes the church powerful; rather, it is the Spirit's work through the assembled people who have been equipped by these gifts. This is why the church's power cannot be replicated by a podcast, a book, or a parachurch ministry; it requires the actual gathering of God's people around God's Word.

Friday Galatians 6

Paul calls the Galatian church to sow generously into God's work, knowing that those who sow to the Spirit will reap eternal life. When we give to the local church, we're not writing a check for a temporary program—we're investing in eternal proclamation, eternal transformation, and eternal reconciliation. No other organization has these stakes; no other organization works on the scale of heaven and hell. This is the most important work in the world.

Sunday-evening family table

What Did Jesus Build That Lasts?

For the parent

This prompt invites your family to think about what Jesus said He was building—and why it matters enough to give to. Listen for your kids to name the church, and then ask them what makes it different from other groups or organizations they're part of.

Jesus said He was building His church, and the gates of hell won't be able to stop it. At your dinner table right now—mom, dad, kids—you're part of that church. What do you think makes the church so special that Jesus said nothing could stop it? What have you seen happen in our church family that you don't see anywhere else?
works for ages 6+; younger kids can listen while older kids and parents do the heavy lifting
Couples · three questions over coffee

What Jesus Chose, We Choose Together

  1. When you heard that the church is Jesus' uniquely chosen possession, what stirred in your heart—did it change how you think about our local church family?
  2. Where in our marriage do we still treat the church as optional rather than as the place where Jesus dwells with His people and with us—and what would it look like to shift our giving (time, money, attention) to reflect that it's not?
  3. Jesus committed to His church unconditionally, in blood. What is one way you want to pray for me this week—that I would grow in commitment to our church family, or that I would see the church the way Jesus sees it?
Memory verse this week

Matthew 16:18

And I tell you that you are Peter, and on this rock I will build my church, and the gates of Hades will not overcome it.

Why this verse: This verse is the sermon's foundation—Jesus' declaration of His unconditional covenant with the church, purchased by His blood and entrusted with eternal stakes. It answers the central question 'Why give to the local church?' by establishing that the church is not optional charity but Jesus' uniquely chosen instrument, the only organization He promises to build and sustain.

Where this was preached

About the church

Cross of Grace Church
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# Cross of Grace Church

A church preaching expository sermons through the books of the Bible.

## Sermons
- [How Can I Avoid Tragedy with Relationships, God, and Money? (Ecclesiastes 4-6, 2026-08-02)](/CoGElPaso/sermons/how-can-i-avoid-tragedy-with-relationships-god-and-money-2026-08-02)
- [Simplify Your Life (Ecclesiastes 12, 2026-08-16)](/CoGElPaso/sermons/simplify-your-life-2026-08-16)
- [Why Live a Life of Generosity (Genesis 12:1-4, 2026-08-23)](/CoGElPaso/sermons/why-live-a-life-of-generosity-2026-08-23)
- [Why Give to Local Church Work (Matthew 16:13-20, 2026-08-30)](/CoGElPaso/sermons/why-give-to-local-church-work-2026-08-30)

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