How to Outgrow Grumbling

Exodus 15:22-26 August 11, 2024 Pastor Chris Oswald
Thesis Christians must replace grumbling with lament—bringing their complaints to God in faith rather than to themselves or others in unbelief—because the cross proves God's trustworthiness and grants us access to a Father who cares for us.
Series
Type
Expository
Tone
pastoraldidacticprophetic
Method
redemptive-historicalcanonicalapplicatory
What's in this sermon

The shape of the argument

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

Pastoral correction · unit #39
"The pastor gives concrete application: if you understand the gospel, you have somewhere else to take your complaints—not to your neighbor or your own head, but to God, whom you can call Father. God knows your frame, is not surprised by your struggles, and is eager to hear from you. This is pastoral permission to lament freely."
Doctrinal loci· 13 surfaced
Doxology / Worship · 8 Sanctification · 8 Soteriology · 8 Christology · 6 Hamartiology · 5 Anthropology · 3 Bibliology · 3 Ecclesiology · 3 Eschatology · 3 Theology Proper · 3 Providence / Sovereignty · 2 Pastoral Theology · 1 Pneumatology · 1
Bible citations· 25
Exodus 15:22-26 | Exodus 5:20-21 | Exodus 14:11-12 | 1 Corinthians 10:1-11 | Numbers 11:10-15 | Exodus 32 | Ephesians 4:28 | Philippians 4:6-7 | Psalm 142:1-3 | Psalm 5:1-2 | Psalm 106:24-25 | Exodus 16:2-3 | Ecclesiastes 7:8-10 | Psalm 22:22-25 | Genesis 15 | Psalm 42:5 | Exodus 15:25 | Genesis 2:9 | Revelation 22:2 | Romans 8:32 | 1 Peter 5:7 | Romans 8:1 | 1 John 5:11-15
Illustrations· 3
  1. cultural reference · unit #5 — The pastor illustrates how grumbling opens the door to other sins by citing research on marital affairs—those who cheat often first fixate on their spouse's failures, using exaggerated grievance to justify transgression. The illustration demonstrates grumbling's function as moral permission.
  2. cultural reference · unit #18 — The pastor illustrates the positive alternative to nostalgia by referencing C.S. Lewis's imagination of heaven. The illustration shows where romantic longing should be directed—forward to the kingdom, not backward to a falsely remembered past.
  3. analogy · unit #23 — The pastor illustrates despair as a vulture using Genesis 15—Abraham driving away birds from his sacrifice. The suffering person is vulnerable like the exposed sacrifice, and despair is the predator circling to devour. The illustration makes the danger of despair visceral and memorable.
Theological claims· 11
  1. The Old Testament grumbling narratives are given to instruct Christians to see the danger of grumbling and resolve not to be a grumbling people. unit #3
  2. Grumbling opens the door to greater sins by making disobedience acceptable and obedience seem harder than it is—the golden calf incident was the climax of habitual grumbling. unit #6
  3. The biblical alternative to grumbling is lament—prayer expressing sorrow, pain, or confusion directed to God in faith. unit #9
  4. We were created for constant conversation with God, but sin has made us talk to ourselves instead—grumbling is simply prayer addressed to the wrong recipient. unit #11
  5. The grumbler is always trying to go back; the lamenter is trying to break through—lament understands hardship as preparation for eternal glory and looks forward to God's final deliverance. unit #21
  6. Grumbling surrenders to despair, while lament actively fights despair—refusing to give up on God or self. unit #24
  7. Grateful people don't grumble—the correlation is observable even if the mechanism is mysterious, and the antidote to grumbling is remembering God's faithfulness. unit #27
  8. The log that sweetened the bitter water foreshadows the cross of Christ. unit #30
  9. Weekly communion is the church's discipline of remembering the cross—the pinnacle of God's revelation and the ultimate evidence that He can be trusted. unit #32
  10. The church's foundational conviction is that God's care for us as enemies guarantees His care for us as children—this is the basis for trusting Him in all circumstances. unit #34
  11. People don't lament because they still see themselves as bitter water rather than sweet water—they haven't internalized that God loves them and wants to hear from them. unit #36
Quotations· 3
"People give themselves a discount on bad action by persuading themselves that the current situation is worse than it is, not sustainable, so on and so forth." — man interpreting research on marital affairs (unit #5)
"A lament is a prayer expressing sorrow, pain, or confusion. Lament should be the chief way Christians process grief in God's presence." — one resource (unit #9)
"The wood made the water sweet because it came from God's tree. This reminds us some of the other trees in Scripture. The life-giving tree in the Garden of Eden, Genesis 2.9. The tree of life in the New Jerusalem with leaves for the healing of the nations, and especially the tree on which Christ was crucified, the tree that heals our bitter sin." — unnamed commentator (unit #31)
Read it

Full transcript

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0 · The pastor reads the primary text from Exodus 15:22-26 and prays for open hearts, eager obedience, and attentive ears as the congregation prepares to receive the word

Why don't you remain standing as I read our text for this morning. It's from Exodus chapter 15, beginning in verse 22. Then Moses made Israel set out from the Red Sea, and they went into the wilderness of Shur. They went three days in the wilderness and found no water. When they came to Marah, they could not drink the water of Marah because it was bitter. Therefore it was named Marah. And the people grumbled against Moses, saying, What shall we drink? And he cried to the Lord, and the people showed him a log, and he threw it into the water, and the water became sweet. There the Lord made for them a statute and a rule, and there he tested them. Let's pray. Lord God, as we open your word, please open our hearts. Lord, give us a spirit of eagerness to obey, eagerness to learn and to lean in, and to hear from you, to know you, and to follow you. Father, we are so grateful for this time. Let us not waste it, God. Give us attentive ears. In Jesus' name we pray. Amen.

1 · The pastor introduces the sermon topic—grumbling—and establishes the pattern of habitual grumbling in the Exodus generation, cataloging multiple instances from Egypt through the wilderness wanderings

We'll dismiss our kids to children's ministry, and the rest of you can be seated. As I mentioned this morning, we are going to talk about the issue of grumbling. Grumbling, talking in particular about the, this is the most friction-y children's exit I've ever seen. Like, this one, they usually go off without a hitch. This one did not. Is this, is this Grambling's fault? Is he's the one that's in charge back there? Yep. Yep, that makes sense. All right. We're talking about grumbling today and outgrowing a grumbling tendency. That's because one of the main features of the book of Exodus and the generation of people delivered from slavery was that they were habitual grumblers. It all began back in Egypt when Pharaoh increased the burdens in hopes of silencing the people. And they went, in Exodus 5, they went and started to grumble. They say in Exodus 5, 20, they met Moses and Aaron who were waiting for them as they came out from Pharaoh. And they said, the Lord look on you and judge, because you have made us stink in the sight of Pharaoh and his servants, and have put a sword in their hand to kill us. Again, in chapter 14, we see with their backs up against the Red Sea, the Egyptian army coming in hot, the people once again complained. Leave us alone that we may serve the Egyptians. For it would have been better for us to serve the Egyptians than to die in the wilderness. And then we have three more times in Exodus 15, 16, and 17. Again, in Exodus 32. And then carrying over into the book of Numbers, we have a bunch more complaining and grumbling. In fact, we have 15 instances throughout the story in which Israel sets out to grumble against Moses or the Lord.

2 · The pastor turns to 1 Corinthians 10:1-11, where Paul explicitly interprets the Exodus narrative as instructive example for Christians

Now, we don't need to know what to do with this data because we have a New Testament text that tells us explicitly. So, if you have your Bibles with you, you can turn to 1 Corinthians 10 or you can just look up here on the screen. We've got it here. At 1 Corinthians 10, the Apostle Paul writes, beginning in verse 1, For I do not want you to be unaware, brothers, that our fathers were all under the cloud and all passed through the sea and were all baptized into Moses in the cloud and in the sea, and all ate the same spiritual food and all drank the same spiritual drink. For they drank from the spiritual rock that followed them, and that rock was Christ. Nevertheless, with most of them, God was not pleased. For they were overthrown in the wilderness. Now, these things took place as examples for us, that we might not desire evil as they did. Do not be idolaters, as some of them were. As it is written, the people sat down to eat and drink and rose up to play. We must not indulge in sexual immorality, as some of them did, and 23,000 fell on a single day. We must not put Christ to the test, as some of them did and were destroyed by serpents, nor grumble, as some of them did and were destroyed by the destroyer. Now, these things happened to them as an example, but they were written down for our instruction, on whom the end of the ages has come.

3 · The pastor synthesizes the exegetical finding into a direct theological assertion: the Exodus grumbling narratives exist to warn us against grumbling and call us to resolve not to be a grumbling people

So, we know exactly what to do with all this data about grumbling. The problem of grumbling in the Old Testament, in particular in the book of Exodus, is meant to instruct us to see the danger of grumbling, and to decide and resolve not to be a grumbling people.

4 · The pastor exegetes the consequences of grumbling from the Exodus and Numbers narratives, identifying three effects: grumbling offends God, wearies God's servants, and proves contagious—even infecting Moses himself

Now, you might ask, what goes bad when people grumble? Well, you know, you can synthesize all of the data we have in Exodus and Numbers and say basically three things. Number one, grumbling greatly offends the God who has promised to take care of them and never leave them or forsake them. So, we see time and time again that God is definitely offended by their grumbling. We also see that grumbling wearies God's workers. As you might expect, Moses' greatest challenge wasn't where to find water or where to find food or how to deal with the Egyptian army. Moses' greatest challenge was consistently handling and walking with and shepherding a grumbling people. This is all kind of represented in Numbers, chapter 11. In one of the instances that was on the list just a moment ago, we read this in chapter 11, verse 10. Moses heard the people weeping throughout their clans, everyone at the door of his tent. I'm not sure if I can back all this up in this sermon, but in all of my studies, I noticed that their grumbling was almost always in their tents. They weren't even doing it like kind of to Moses. They would all kind of retreat in their little triangulated huddles of grievance and complain to one another. So, that's what's going on here. And it says, And the anger of the Lord blazed hotly, and Moses was displeased. Moses said to the Lord, Why have you dealt ill with your servant? And why have I not found favor in your sight? That you lay the burden of all this people on me. So, the grumbling has caught on. Moses is wearied by their lack of faith and begins to have a struggle of faith himself.

5 · The pastor illustrates how grumbling opens the door to other sins by citing research on marital affairs—those who cheat often first fixate on their spouse's failures, using exaggerated grievance to justify transgression

So, two things about grumbling. One, it greatly offends God. He's been amazing to us. He's been so good to us. He's promised to never leave us or forsake us. And when we grumble, we're really kind of telling him, No, I don't believe any of that. Grumbling really wearies God's workers. But one of the things I think that you need to really understand about grumbling is that it really sort of opens the door to other sins. I was doing some reading about some recent research that came out regarding marital affairs. And unsurprisingly, but it was interesting to see it, you know, spelled out so clearly, those who cheated often had previously gone through periods where they had fixated on the failures of their spouse or fixated on the lack of health in their marriage and so on and so forth. And the man who was interpreting this study in his writings, he said that people give themselves a discount on bad action by persuading themselves that the current situation is worse than it is, not sustainable, so on and so forth. And this is very common. This is very common, not just in that particular sin, but just in general.

Where this fits

Recent preaching context

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

Jul 28, 2024
God allows us to face seemingly unconquerable trials so that we might see his character as a man of war who delivers the humble and destroys the proud — truths that can only be learned in the trenches.
Exodus 13:1-15:27
Aug 1, 2024
We must maintain dual identification with both our insider privileges and outsider disadvantages, for over-identifying with either produces spiritual disaster—revolutionary destruction when we fixate on victimhood, or idolatrous hoarding when we fixate on possession.
Aug 4, 2024
The God who destroys His enemies in Exodus 15 is the same God throughout Scripture, and the cross reveals His preferred means of destroying enemies by destroying them in salvation through identification with Christ's death and resurrection.
August 11 · This sermon
How to Outgrow Grumbling
Christians must replace grumbling with lament—bringing their complaints to God in faith rather than to themselves or others in unbelief—because the cross proves God's trustworthiness and grants us access to a Father who cares for us.
Exodus 15:22-26
Take it further

Discuss · apply · pray

Daily readings · Monday–Friday

5-day reading plan

This week traces the arc from grumbling's danger through lament's power, anchoring each day in a cross-reference that deepens our conviction that God is trustworthy enough to hear our complaints.

Monday 1 Corinthians 10:1-11

Paul explicitly warns us that the Exodus generation's grumbling is not merely ancient history—it is a warning written for us. We inherit their story as a boundary marker: here is what happens when believers choose horizontal complaint over vertical prayer. The pattern is not inevitable; the warning exists because we can choose differently.

Tuesday Exodus 32

The golden calf was not born from sudden rebellion—it was born from habitual grumbling that had already accustomed the people to disbelief. Each small complaint had worn a groove in their hearts, making it easier to abandon God's way entirely. We see in this text how a posture of complaint becomes a posture of apostasy.

Wednesday Psalm 142:1-3

Notice that the psalmist's complaint is not suppressed; it is *poured out*. 'I pour out before him my complaint; before him I tell trouble.' The emotional honesty is complete—but it is addressed to God, not to ourselves or to others. This is the crucial difference: lament takes the same raw pain that grumbling carries and redirects it vertically, where it becomes prayer.

Thursday Psalm 106:24-25

The Israelites 'despised the pleasant land' and 'did not believe his promise'—their grumbling kept them locked in the past, unable to see what God was building. Lament, by contrast, cries out not to retreat but to press forward. It says, 'God, I don't understand this suffering, but I trust You are working through it toward my inheritance.' The direction of the heart is entirely different.

Friday Philippians 4:6-7

Paul tells us to bring our anxiety to God 'with thanksgiving'—not because our circumstances have changed, but because the cross has changed everything about our access to Him. We can approach the throne with our complaints because Christ has already proven the Father's willingness to suffer for us. Thanksgiving and petition together are the rhythm of a people who believe they are loved.

Draft · pending review
Small-group discussion

6 questions for your group this week

  1. In Exodus 15:22-26, the Israelites immediately begin grumbling after witnessing God's deliverance at the Red Sea. What does their rapid shift from gratitude to complaint reveal about the human heart—and about your own pattern in times of difficulty?
    Exodus 15:22-26
    → Can you name a specific season when you moved quickly from remembering God's faithfulness to complaining about your circumstances?
  2. Chris described grumbling as 'prayer addressed to the wrong recipient.' When you complain to yourself, a friend, or social media instead of bringing your complaint to God, what are you actually assuming about God's character or His willingness to hear you?
    Ephesians 4:28
  3. According to 1 Corinthians 10:1-11, the grumbling narratives of the Old Testament were recorded as warnings for us. What does it mean that God would give us these stories specifically to help us *avoid* becoming a grumbling people? What does that tell us about how seriously He takes this sin?
    1 Corinthians 10:1-11
    → If grumbling is that serious, why do you think it's so normalized in Christian culture and conversation?
  4. The sermon distinguished grumbling from lament. Lament brings honest pain and confusion *to God* in faith, while grumbling turns away from God in despair. When you read Psalms like Psalm 142:1-3 or Psalm 42:5, how does the lamenter's posture toward God differ from the grumbler's?
    Psalm 142:1-3; Psalm 42:5
    → What would change in your prayer life if you began bringing your complaints directly to God instead of processing them horizontally with others?
  5. Chris said that grateful people don't grumble, and that remembering God's faithfulness is the antidote to grumbling. When you look back at your own life, where do you see clear evidence of God's provision or protection—moments He proved Himself trustworthy even when circumstances were hard?
  6. The sermon closed with the claim that we don't lament because we still see ourselves as 'bitter water' rather than 'sweet water'—we haven't internalized that God loves us and actually wants to hear from us. If that's true, what would need to change in how you experience the cross and God's love toward you as His child—not as His enemy?
    → How does weekly communion, as a discipline of remembering the cross, address this barrier to lament in your own spiritual life?
Draft · pending review
Sunday-evening family table

Bitter Water and Sweet Water

For the parent

This prompt anchors in the most vivid image from the sermon—the log that sweetened the bitter water at Marah. The goal is to help your family see the difference between complaining to each other and bringing your pain honestly to God. You're listening for whether kids can name a hard thing and imagine bringing it to God instead of to their siblings or friends.

In the sermon, the people found water at Marah, but it was bitter and they couldn't drink it. Then God showed Moses a log to throw in, and the water became sweet. When you have a hard day or something feels unfair—like the water tastes bitter—do you usually tell God about it, or do you usually tell your friends, or complain to yourself? What would it look like to throw your complaint into God's hands instead, the way Moses threw the log into the water?
works for ages 7+ — younger kids can understand the image of bitter and sweet water and name one hard thing; older kids and teens will grasp the metaphor about where we direct our complaints
Draft · pending review
Memory verse this week

Philippians 4:6-7

Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving, present your requests to God. And the peace of God, which transcends all understanding, will guard your hearts and your minds in Christ Jesus.

Why this verse: This verse distills the sermon's central claim: the alternative to grumbling is not silence but directed prayer—bringing complaints to God in faith rather than to ourselves or others in despair. It anchors the practice of lament as the Christian's remedy for the habitual sin that characterized the Exodus generation.

Draft · pending review
Pray together this week

Prayer: From Grumbling to Lament

Father, we come to you in awe of your character—that you are the God who listens, who draws near to the complainant, and who proved your trustworthiness once and for all at the cross. We confess that we are a grumbling people. We talk to ourselves about our hardships instead of to you. We rehearse our bitterness with one another, spreading doubt and despair, when we were made for conversation with you. We forget that grumbling closes the door to your comfort and opens the door to greater rebellion—that in nursing our complaints, we nurse disobedience.

We thank you that Christ has redeemed us from this pattern. At the cross, you proved that you can be trusted with our deepest pain—that you do not turn away from our sorrow but run toward it. You have made us your children, not your enemies, and if you cared for us when we were at war with you, how much more will you care for us now? We ask you to teach us the discipline of lament—to bring our complaints to you in faith, to tell you the truth about our pain and confusion, to refuse both grumbling despair and silent stoicism. Give us courage to say, "Father, I don't understand this hardship, but I trust you to redeem it." Make us a people who remember your faithfulness—who taste the sweetness of your provision week after week at the table, who carry the cross as the ultimate evidence that you are worthy of our trust. May we grow in the conviction that you love to hear from us, and that every lament we bring to you is an act of faith. We commit ourselves to break the habit of grumbling and to speak our sorrows upward, to you alone.

Draft · pending review
Couples · three questions over coffee

From Grumbling to Lament

  1. What complaint or hardship did you find yourself carrying into this week—and did you notice whether you were talking to God about it or talking to yourself?
  2. Where in our marriage do we tend to grumble together rather than lament—defaulting to despair about a pattern instead of bringing it faithfully to God?
  3. How can we remind each other this week that God proved His trustworthiness at the cross—and invite one another to bring our complaints to Him instead of leaving them unspoken?
Draft · pending review
Where this was preached

About the church

Providence Community Church
Lenexa, KS
Sundays · 10:00 AM
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# Providence Community Church

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

## Sermons
- [The Lord is a Man of War (Exodus 13:1-15:27, 2024-07-28)](/ProvidenceLenexa/sermons/2024/07/the-lord-is-a-man-of-war)
- [Insider & Outsider Status. AKA: How to Trick a Feminist (2024-08-01)](/ProvidenceLenexa/sermons/2024/08/insider-outsider-status-aka-how-to-trick-a-feminist)
- [The Lord is a Man of War, Part 2 (2024-08-04)](/ProvidenceLenexa/sermons/2024/08/the-lord-is-a-man-of-war-part-2)
- [How to Outgrow Grumbling (Exodus 15:22-26, 2024-08-11)](/ProvidenceLenexa/sermons/2024/08/how-to-outgrow-grumbling)

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