1 John - Introduction
Thesis Believers can discern between true and false Christianity by cultivating a deep, foundational knowledge of Jesus Christ as revealed through apostolic eyewitness testimony, because those genuinely born of God will bear a family resemblance to Him.
The shape of the argument
30 units across exposition, application, illustration, theological claim, and conclusion. The pastor's argument is built from these moving parts.
- National Exorcism cultural reference · unit #26 — Oswald introduces a contemporary political illustration: J.D. Vance quoting the Nicene Creed on television. He interprets this as evidence of a broader spiritual awakening among national leaders who recognize that only Christ can bring order to cultural and spiritual chaos. Oswald frames this as a 'positive conspiracy theory'—a hopeful reading of public invocations of Christ's name as genuine spiritual warfare rather than mere political posturing. The 'Christ or chaos' dichotomy becomes the thematic hinge connecting the illustration to the sermon's larger argument. The unit is overtly political but theologically framed—the chaos is demonic, the solution is Christological.
- John can discern truth from error because he has direct, eyewitness knowledge of Jesus Christ, who is the living revelation of God's character, and this knowledge provides the standard for determining who is truly of God. unit #16
"Welcome every apostle who comes to you as the Lord, but he must not stay more than one day or two if necessary. If he stays three days, he is a false prophet. When the apostle leaves, he should take nothing except bread until he finds his next lodging. If he asks for money, he is a false prophet. Not everyone who speaks in the spirit is a prophet, but only one who has the ways of the Lord. And by their conduct, the false prophet and the true prophet will be known." — The Didache (unit #3)
"Oh, well, no, I mean, he's not safe. He's good, but he's not safe." — Mr. Beaver (C.S. Lewis character) (unit #18)
"Jesus is the only son of God, begotten from the Father before all ages, God from God, light from light, true God from true God, begotten, not made, of the same essence as the Father." — J.D. Vance (unit #24)
Full transcript
0 · Oswald opens the sermon by orienting the congregation to 1 John's location in the canon and announces a 12-week series
I want to open your Bibles to the book of 1 John. 1 John, if you're new to the Bible, that's going to be really close to the very, very end. And don't turn too fast or you'll miss it. There's three letters that John wrote to local house churches, probably in the region of Ephesus. And today we start a 12-week series examining John's first letter, 1 John. Now, the setting for this letter is important, but there's a bunch of other things I want you to kind of have a sense for. As we spend 12 weeks in 1 John, I thought it'd be good to give you a bit of an overview of what is actually happening in this letter. So I've got five points for you this morning. The first is the setting of the letter. That's the problem that John is trying to solve. The second is the style. John writes in a very unique style. We need to talk about that a little bit. The structure of the book. It appears initially that there is no structure, but as you look more carefully, you see it. The substance. What is the main idea that John is trying to communicate? And the solution. What is the main solution that John offers to the problem he is addressing?
1 · Oswald identifies the core problem John addresses: a persistent issue predating even Christ's earthly ministry
In terms of the setting, it is about addressing a particular problem. John is trying to solve a particular problem that has been a problem in the Holy Land even before the time of Christ.
2 · Oswald uses Gamaliel's counsel in Acts 5 to illustrate the recurring pattern of false messiahs and imposter leaders
You may remember in Acts 5 that a wise old Pharisee named Gamaliel shows up in a critical moment. Christianity had just begun to grow to the extent that it became a threat to the ruling council. And John and Peter, as its chief spokesmen, were arrested and brought before them and were supposed to be put to death. But Gamaliel, a Pharisee, said, you know, there have been so many other instances where a new savior arises and then over time it just comes to nothing. Why don't we, instead of killing these men, just let this play out? It's probably just one more of the same kinds of deals. You see, the main issue that John is trying to deal with is something you see all throughout the early church and that we see today. There is a mass number of people who are imposters, specifically imposter leaders, imposter saviors, imposter apostles. And they're circulating around God's sheep and leading many astray.
3 · Oswald cites the Didache to demonstrate that the early church immediately faced the practical challenge of discerning true apostles from false ones
There's, as I think we've talked about this a fair number of times, there's a letter called the Didache that was written. It's just the way, the practice of Christianity. It's very early on in Christianity. It's probably late first century, early second century. And this letter contains all sorts of just practical advice to Christians navigating this new thing known as Christianity. Listen to one excerpt from this document. Welcome every apostle who comes to you as the Lord, but he must not stay more than one day or two if necessary. If he stays three days, he is a false prophet. When the apostle leaves, he should take nothing except bread until he finds his next lodging. If he asks for money, he is a false prophet. Not everyone who speaks in the spirit is a prophet, but only one who has the ways of the Lord. And by their conduct, the false prophet and the true prophet will be known. Why am I reading that to you? Because even at the very beginning, as careful leaders are helping to guide Christians into truth, they are constantly having to contend with imposters, with counterfeits. This is a super early problem.
4 · Oswald anchors the problem of false teachers in Jesus' own prophetic warning in Matthew 24
And Jesus even predicted this. In Matthew 24, Jesus says, See that no one leads you astray, for many will come in my name, saying that I am the Christ, and they will lead many astray. So that's the problem John is trying to solve. All three letters are about this very issue. He's trying to help Christians discern between true and false Christian leaders and true and false Christians.
5 · Oswald briefly exposits 3 John to show how the discernment theme manifests in that letter—a specific individual wrongly exercising authority
In 3 John, just to give you a sense of the whole series and how it all plays together, In 3 John, a guy has sort of taken over a house church, and he has begun to exercise authority he does not rightly possess. That's the reason 3 John is written.
Recent preaching context
The three sermons immediately preceding this one in the preaching schedule.
Discuss · apply · pray
6 questions for your group this week
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John begins by emphasizing that he writes about what he has 'heard,' 'seen with our eyes,' 'looked at,' and 'touched with our hands' regarding the Word of life. What is John establishing by grounding his authority in this kind of eyewitness testimony, and why does that matter for the letter he's about to write?1 John 1:1→ How does John's direct encounter with the incarnate Jesus differ from how we encounter Him today, and what does that mean for how we should relate to his testimony in this letter?
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The sermon identifies a 'family resemblance' logic running through 1 John—those truly born of God will act like God. Looking at the way John later describes this (that those born of God don't practice sin, and that love of the brothers is a mark of genuine faith), what is he saying about the relationship between our knowledge of Jesus and the way we actually live?1 John 3:9, 3:14
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The sermon suggests that false teachers in John's day were 'tampering with the truth about Jesus'—changing people's view of who He is. Why would changing someone's understanding of Jesus be such a dangerous threat to their entire spiritual life and capacity to discern truth from error?1 John 2:26-27→ Can you think of a contemporary example where a distorted or selective portrayal of Jesus has shaped how someone lives or what they believe?
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John appeals to 'what you have heard from the beginning' as the standard for discernment (1 John 2:24). Given that believers are surrounded by voices claiming to speak for Jesus—through books, podcasts, social media, and teaching—how do we practically cultivate the kind of deep, foundational knowledge of the true Jesus that enables us to spot when someone is tampering with who He really is?1 John 2:24
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The sermon emphasizes that the solution to discernment crisis is not 'a catalog of every possible deception' but rather 'a deep, enduring knowledge of Jesus Christ himself.' What does it mean to grow in knowledge of Jesus in a way that's not just intellectual, but shapes how we see truth and error in every area of life?→ Where might we be tempted to grow 'bored' with the basics of the gospel and Christ himself, and what would rekindling that wonder look like this week?
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John writes that he is sharing what he has witnessed 'so that you also may have fellowship with us; and indeed our fellowship is with the Father and with his Son, Jesus Christ' (1 John 1:3). How does this help us understand that our personal knowledge of Jesus is never meant to be private—what is the corporate, relational purpose John has in mind?1 John 1:3→ In what ways could our growth in knowing Jesus more deeply strengthen the unity and discernment of our church body?
5-day reading plan
This week we deepen our grasp of how eyewitness knowledge of Jesus Christ becomes our standard for discerning truth from error, moving from the foundation of apostolic testimony through the family resemblance of God's children to the vigilance required to guard that knowledge.
John begins by anchoring his entire letter to direct, sensory encounter with Jesus—he heard, saw, and touched the Word of life. This apostolic testimony is not mere opinion or speculation, but the lived experience of God incarnate, and it becomes the unshakeable measure by which we test every claim about who Jesus is and who truly belongs to Him.
The mark of true conversion is not perfection, but direction—those born of God's seed do not practice sin because God's nature dwells in them. This doctrine of family resemblance means we discern true believers not by their claims but by their character; false teachers reveal themselves through patterns of sin they rationalize rather than resist, betraying that they have never truly known the God of light.
John identifies the specific deception plaguing the early church—the denial of Christ in the flesh—and shows us that attacks on Jesus' person are never peripheral to the faith. When false teachers reshape Jesus to fit their agenda, they strike at the very heart of salvation; therefore, guarding the truth about Christ is not optional minutiae but the essence of loving His church.
Discernment is not passive observation; it calls us to decisive action—to deliberately model goodness and to withdraw from those who reject the truth about Christ. As we grow in knowledge of the true Jesus, we are compelled by grace to protect that truth within our homes and churches, refusing the tolerance that allows falsehood to metastasize among God's people.
The final weapon against false teaching is not skepticism but love—a deepening attachment to the Jesus we have known and the gospel we heard at our conversion. As we abide in His truth and let His Word abide in us, we become virtually immune to the seductions of impostors, not through intellectual vigilance alone, but through the transforming power of knowing Christ more deeply than we knew yesterday.
Prayer for Discernment Through Christ
Father, we come before you in gratitude for Jesus Christ, the living Word made flesh, who alone reveals your character and stands as the immovable standard by which we discern truth from error in a world full of deception (1 John 1:1-2). We confess that we are often susceptible to voices that claim to speak for you while subtly reshaping our view of who Jesus is. We grow weary of the old truths, bored with what we have had from the beginning, and vulnerable to teachers—even well-intentioned ones—who selectively portray Christ to serve their agenda rather than the fullness of his biblical character. We acknowledge our weakness: without a deep, foundational knowledge of Jesus himself, we cannot discern the imposter from the authentic, and our capacity to recognize error crumbles.
Yet we rejoice that in the gospel, you have given us the only remedy we need: not a catalog of every deception, but the person of Christ himself, known through apostolic eyewitness testimony recorded in Scripture (1 John 1:1, 2:26-27). By your Spirit, we have been born of God, and those truly born of you bear a family resemblance to you—we can recognize truth because we belong to the truth (1 John 3:9). The knowledge of Jesus Christ is not abstract doctrine but transformative communion that shapes how we live, think, and judge.
Grant us, we pray, a deepening hunger to know Jesus as he truly is—not as we wish him to be, not as popular voices present him, but as he stands revealed in your Word. Give us courage to refuse those who tamper with the truth about him, knowing that anyone who can change our view of Jesus can alter our entire trajectory and capacity to discern (2 John 1:7, 10). As we gather together in this church and scatter into our homes and workplaces, fill us with such a vibrant, personal knowledge of Christ that we become a people marked by discernment, unity, and freedom from the chaos of competing claims.
We commit ourselves afresh to the centrality of Christ—to never grow bored with him, never to tolerate distortions of his person, and always to test every voice against the testimony of Scripture. To you, Father, through the Son, and by the Spirit, be all glory and praise.
Knowing Jesus Changes Everything
This prompt invites your family to think about how knowing who Jesus really is shapes the way we live and what we believe. Listen for whether kids can connect the dots between what they know about Jesus and the choices they make.
John says that people who truly belong to God will start to act like God—they'll love like He loves and live honestly like He does. Think of someone you know who really seems to be living like Jesus. What is one thing they do or say that shows you they actually know Him?
Knowing Jesus Together
- What struck you most about John's emphasis on eyewitness knowledge of Jesus, and how did that challenge or confirm what you thought you knew about Him?
- Where have we, as a couple, grown careless or bored about Jesus—perhaps defaulting to cultural Christianity rather than deepening our knowledge of the true Christ together?
- What is one specific way we can help each other stay vigilant against distorted versions of Jesus, and how can we pray for that discernment in each other this week?
1 John 1:1
That which was from the beginning, which we have heard, which we have seen with our eyes, which we looked upon and have touched with our hands, concerning the word of life.
Why this verse: This verse establishes John's apostolic authority and the foundation of his entire letter: direct, eyewitness knowledge of the incarnate Christ is the standard by which believers discern truth from error. Memorizing it anchors the congregation in the reality that genuine discernment flows not from abstract principles but from intimate knowledge of Jesus himself.
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# Providence Community Church A church preaching expository sermons through the books of the Bible. ## Sermons - [Developing a Godly Personality (Psalm 103:1-22, 2025-08-17)](/ProvidenceLenexa/sermons/2025/08/developing-a-godly-personality) - [Seven Habits of Highly Successful Sufferers (Psalm 141:1-10, 2025-08-24)](/ProvidenceLenexa/sermons/2025/08/seven-habits-of-highly-successful-sufferers) - [Psalm 147: Inner Health Made Audible (Psalm 147:1, 2025-08-31)](/ProvidenceLenexa/sermons/2025/08/psalm-147-inner-health-made-audible) - [1 John - Introduction (1 John 1:1-4, 2025-09-21)](/ProvidenceLenexa/sermons/2025/09/1-john-introduction) ## About - [About the church](/about) - [Plan a visit](/visit)
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