Prepare the Way: John’s Gospel Call to Repentance in Luke 3

As I sit with Luke 3:1-20, I find myself struck by an unlikely contrast: Luke introduces us to a world full of powerful figures—emperors, governors, tetrarchs, high priests—yet the real voice we hear is not theirs. It is John, a humble man in the wilderness, crying out: “Prepare the way of the Lord.”

The Word Comes to the Margins

Luke wastes no time telling us who’s in charge politically and religiously. He names Tiberius Caesar (ruling 15 years by now), Pontius Pilate in Judea, Herod Antipas in Galilee, his brother Philip over Ituraea and Trachonitis, and Lysanias over Abilene. On the Jewish side, he calls out Annas and Caiaphas as high priests (Luke 3:1-2). It’s a roll call of the heavyweights.

But then Luke drops the bomb: “the word of God came to John … in the wilderness” (Luke 3:2). Amid the pomp and power, God’s word comes to, of all people, a man alone in the wilderness. That detail is the heart of the passage: God does not always speak through kings but often through the unlikely.

Think about it: God’s grand revelation repeatedly comes to “little people.” It came to Mary, a young, lowly woman. It came to Zechariah and Elizabeth, old and childless. It came to shepherds watching sheep by night. And now it comes to John … in the desert.

Proclaiming Repentance: John’s Mission

Once John receives the Word, he doesn’t hoard it. He goes into “all the region around the Jordan” and proclaims a baptism of repentance “for the forgiveness of sins” (Luke 3:3). His message is stunningly simple and eternally profound: “Repent, and be forgiven.”

This is not a side hobby for John. He’s on a mission. Some scholars think John may have had ties with a community kind of like the Essenes—Jewish separatists who lived by the Dead Sea, intensely devoted to ritual purity and solitude. The theory is compelling: the Essenes practiced ritual washings, and they longed for a voice in the wilderness (something Isaiah spoke of, and Luke later quotes). Yet John’s call is not a call to retreat for retreat’s sake. He doesn’t call people into a monastery-like desert life simply to hide. Rather, he invites them into the world, renewed, repentant, and ready.

John’s baptism, then, is more than a ritual: it’s an outward sign of an inward turning. His baptism is sorrow over sin coupled with a decisive turn away from sin. His message? Repentance leads to forgiveness.

Making the Way Straight

Luke quotes Isaiah 40:3-6 to explain John’s role (Luke 3:4-6). The imagery is vivid: “Every valley shall be filled, and every mountain … made low … the crooked … made straight … the rough places … level ways.” This is not the slogan of the Michigan DOT. This is about inward transformation—heart surgery, not roadwork.

John is like a royal envoy preparing the way for a king. His job is to smooth the rough terrain, level the mountains, and straighten the crooked paths, not physically, but spiritually. What is the “terrain”? It’s our corrupted, weary, sin-bent hearts. The “obstacle” is unrepentance. The “king” is the Lord Himself.

When John calls people to prepare, he is making a way for salvation. He is clearing out every obstacle, the pride, the fear, the selfishness, that prevents us from truly seeing and receiving God’s salvation.

A Stark Warning

Then John pivots hard.

He doesn’t welcome people with fluffy greetings. He calls them “a brood of vipers” (Luke 3:7). That’s not a compliment (understatement of the year). He warns them of a “wrath to come,” demands that they produce “fruit in keeping with repentance,” and strongly rejects their reliance on ancestry when they protest, “We have Abraham as our father” (Luke 3:8). If they don’t bear good fruit, the axe is already laid to the root and cutting them off from God (Luke 3:9).

This is warning language. It is convicting. It’s discomforting. But it’s gospel. John is not offering mere moral improvement; he’s calling people to a reality where sin has consequences, and false confidence (even in heritage) is not good enough. The stakes are real: either they repent and are forgiven, or they face judgment.

Jesus will separate wheat from chaff; there is a gathering, and there is a burning (Luke 3:17). John is sending us a clear message: Jesus is both Savior and Judge.
 
If you hear John’s call to repent … here’s how to follow Jesus at Litchfield FBC.
 

What Repentance Looks Like in Real Life

Some in the crowd probably gulped, but some asked, “What then shall we do?” (Luke 3:10). John doesn’t dodge. He gives both general and specific guidance (Luke 3:10-14).

General call:

  • “If you have two tunics, share with the one who has none.”
  • “If you have food, do likewise.” (Luke 3:11)

Specific to vocation:

  • Tax collectors: “Collect no more than what you are authorized to do.” (Luke 3:13)
  • Soldiers: “Do not extort money … be content with your wages.” (Luke 3:14)

John teaches a pattern: repent, then live it out. If you’ve truly turned from your sins, you will begin to live differently. Repentance is not only sorrow; it is visible fruit. It reveals itself in how you treat your neighbor, how you handle your job, how you use your power or influence.

That application is timeless. When we read Scripture, a healthy question to ask ourselves (as I often do) is: Okay, here’s the command. What does it look like in my life—specifically in my home, at my work, in my church, in my relationships? Repentance is not mystical. It is ordinary. It is the everyday transformation of a heart renewed by God moment by moment.

The One to Come: Jesus

As people marvel at John’s preaching, they begin to ask an important question: “Is John the Christ?” But John puts the kibosh on that: “No.” When John baptized, people got wet, but he reminded the people that someone far mightier is coming (Luke 3:16). He admits he’s not even worthy to untie the sandals of this One. When that mighty One comes, He will baptize not just with water, but with the Holy Spirit and fire.

John also uses a powerful image: the winnowing fork (Luke 3:17). The Messiah will sift through people: He will gather “wheat” into his barn and burn the “chaff” with unquenchable fire. He is both the loving Savior who gathers in the forgiven, and He is the righteous Judge who burns what is worthless.

John underscored his humility by refusing the honor even of untying Jesus’ sandals. In the culture of rabbis and servants, even the servants did not untie shoes because that was below them. But John says: not me—untying the Messiah’s shoes, that’s above me! I’m not worthy. If John, the forerunner, takes the lowest place, how much more should we?

In a world ready to strut, John kneels; in a world proud of titles, he embraces humility. If he is not the Messiah, then we must remember: I am not the Messiah, either. We are not worthy, but because of His grace, we are invited to follow, trust, and repent with humility.

The Cost of Preaching Truth

John’s humility did not keep him safe. He courageously reproves Herod Antipas for wrongdoing—specifically, his marriage to Herodias, his brother’s wife and, incredibly, his niece (see the family tree here), along with “all the evil things he had done” (Luke 3:19). Herod, rather than repent, silences John. He locks him up (Luke 3:20).

Here is a picture of the cost of faithfulness: John spoke truth boldly, despite the risk. He paid a steep price, but he refused to compromise or quiet the Word of God.

This should challenge us: we may not be imprisoned physically, but speaking biblical truth in our world often comes with a price. Our responsibility is not to control how people respond. Our calling is to speak the truth clearly, lovingly, and with conviction. Some will repent. Some will reject. But what matters is faithfulness.

Why This Matters for Us

  1. God still speaks through unlikely people. The powerful are not always the vessels. God’s Word often resounds through the humble.
  2. Repentance is essential for every person. It’s not optional even if it’s difficult.
  3. True repentance is lived out. It isn’t just a feeling. It’s visible in justice, generosity, and integrity.
  4. Jesus is both Savior and Judge. He extends mercy, but He also brings justice. You get to decide if He is only your Judge or if He will be your Savior as well.
  5. Truth-telling costs us something. God calls us to speak, to love, and to risk, just like John did, for the sake of truth.

So what do we do with this? May we, like John, offer humility, boldness, and truth. May we prepare our hearts, repent, and make way for the Lord.

Reflection Questions

  • When have I witnessed God speaking through someone unlikely?
  • What areas of my life need “leveling”: fear, pride, selfishness, unrepentance?
  • How does repentance show up in my daily life through my generosity, work, or relationships?
  • Do I believe that Jesus is both Savior and Judge? How does that shape my life?
  • What does faithful truth-telling look like in my life, even if it comes with a cost?

2025.11.19 / Prepare the Way / Pastor Daniel Steeves