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The Gospel Changes You

Sermon by: Ps. Ferdinand Haratua
23 November 2025

1 Thessalonians 1:1-10 (ESV)

[1] Paul, Silvanus, and Timothy, To the church of the Thessalonians in God the Father and the Lord Jesus Christ: Grace to you and peace. [2] We give thanks to God always for all of you, constantly mentioning you in our prayers, [3] remembering before our God and Father your work of faith and labor of love and steadfastness of hope in our Lord Jesus Christ. [4] For we know, brothers loved by God, that he has chosen you, [5] because our gospel came to you not only in word, but also in power and in the Holy Spirit and with full conviction. You know what kind of men we proved to be among you for your sake. [6] And you became imitators of us and of the Lord, for you received the word in much affliction, with the joy of the Holy Spirit, [7] so that you became an example to all the believers in Macedonia and in Achaia. [8] For not only has the word of the Lord sounded forth from you in Macedonia and Achaia, but your faith in God has gone forth everywhere, so that we need not say anything. [9] For they themselves report concerning us the kind of reception we had among you, and how you turned to God from idols to serve the living and true God, [10] and to wait for his Son from heaven, whom he raised from the dead, Jesus who delivers us from the wrath to come.

There is one common confession I often hear from young people:

“I feel lost.”

“I feel behind.” (financially, relationship)

“I feel like everyone else is ahead of me.”

There’s the pressure to achieve,

  • the uncertainty of the future,
  • the endless comparison on social media.

Life often feels like a race where everyone else got a head start.

Behind it all sits a real, yet a common fear: “What if my life does not matter?”

We don’t usually call this a fear of death, but it’s close.

It’s the fear that something inside us is dying—

our dreams,

our identity,

our sense of purpose.

The Thessalonians lived with that same kind of pressure. They were a young church in a difficult city, facing suffering and constant pressure.

  • Into that world, Paul wrote to anchor them in something far stronger than their circumstances:

The Gospel.

The Gospel that comes not only in words, but with power—

The Gospel that transforms.

Thessalonica was a major Macedonian city. A mix of cultures and faiths, not dissimilar to Sydney.

Paul preached only there for a short time, when hostility forced him to leave suddenly.

  • Leaving behind new believers who were still learning how to follow Jesus in a hostile environment (see Acts 17).

They had questions that are familiar to us:

“How do we live faithfully in a hostile world?”

“How do we hold on to hope when the future feels uncertain?”

Paul’s answer centers on one thing—the Gospel.

In our passage today, Paul shows us three things about the Gospel:

  1. It is More than words
  2. It Transforms lives
  3. It Gives hope

1. The Gospel is More Than Words

Paul writes,

4 For we know, brothers loved by God, that he has chosen you, 5 because our gospel came to you not only in word, but also in power and in the Holy Spirit and with full conviction. You know what kind of men we proved to be among you for your sake.

(1 Thessalonians 1:4-5)

 

Of course the Gospel comes in words.

Christianity is rooted in real events—Jesus lived, died, rose again, and is coming back.

But Paul says the Thessalonians didn’t just hear the Gospel; they encountered it.

Today we have endless access to Christian content—sermon clips, podcasts.

  • Some of you have no problem with content.
  • You can spend hours scrolling through “Christian” content and remain exactly the same person.

In fact, you may have accumulated a great deal of information.

  • It’s possible that you believe in the Gospel’s content—yet your life remains unchanged.

You are wondering: What is missing?

The answer is: The Gospel remains a mere content, nothing more.

It’s true the Gospel came in words.

  • Christianity is built on words:The Gospel has contentJesus came down from heaven as a Jewish man,He died as a ransom for our sin on the cross,Three days later He rose from the dead, defeated death.

 

But Christianity is more than the discovery of the truth.

Religious people may know and accept the Gospel, but only as mere words.

  • You know, Jesus had problems with the Pharisees, but it isn’t due to their lack of knowledge.
  • You can know the Gospel content in your head, but your heart is rotting away.

To the Thessalonians, the apostle Paul writes (verse 5):

Because our gospel came to you not only in word,

but also in power and in the Holy Spirit and with full conviction.

You don’t become a Christian simply by hearing the Gospel content.

You need the Gospel to come to you in power.

 

The Gospel isn’t just information for your mind; it’s power for your life.

  • Content can help you know about
  • But only the power of the Spirit can help you encounter

So the question is not: “Do I know the Gospel?”

The deeper question is: “Has the Gospel come to me with power?”

 

When the Gospel comes in power

It interrupts your comfortable life,

it exposes the sin beneath your sins,

it melts your pride and awakens your faith,

and most importantly, it draws you to Jesus and his glory.

Tonight, you may be a religious person who knows, even agrees with the Gospel.

Or you may be an atheist who rejects the Gospel outright.

But let me say this: Only a Christian experienced the transforming power of the Gospel.

The Gospel changes you.

Paul says it plainly in Romans 1:16:

“For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek.” (Romans 1:16 ESV)

2. The Gospel Transforms Lives

Listen to how Paul describes the Thessalonians in 1 Thessalonians 1:6-7:

 6 And you became imitators of us and of the Lord, for you received the word in much affliction, with the joy of the Holy Spirit, 7 so that you became an example to all the believers in Macedonia and in Achaia.

  1. i) They became imitators of the apostles and of Jesus.
  2. ii) They suffered with joy for their faith.

iii) They bore witness about their faith to others.

They weren’t just informed; they were transformed.

They began to resemble Jesus.

Their joy didn’t collapse when life was hard.

In fact, their faith became more visible and contagious when faced with suffering.

How do you know if you are truly a Christian?

Ask yourself: Have these things happened to you, as they did to the Thessalonians?

 

We live in a culture that doesn’t know what to do with suffering.

We know how to celebrate the good things—graduations, new jobs, new relationships.

But when life breaks—when the job falls through, when loneliness hits, when anxiety won’t leave, when dreams fall apart—you feel undone.

 

Why is that?

  • Because so much of our identity has been built on fragile things:Success, approval, image, comfort, and emotional stability.

 

If success is your saviour, failure will feel like death.

If approval is your saviour, rejection will feel like death.

If your career, your health, or your relationships define who you are,

then when those things are threatened, who you are is threatened.

But that’s not the worst. Not only do we become incapable of handling suffering—we see suffering as meaningless, even identity-destroying.

But notice what Paul says about the Thessalonians in verse 6:

And you became imitators of us and of the Lord, for you received the word in much affliction, with the joy of the Holy Spirit,

Do you see the paradox?

They were deeply afflicted—yet deeply joyful.

Their suffering didn’t destroy them; it made them radiant.

Why? This is because their identity wasn’t built on health, or success, or the approval of others.

That’s why Paul can hold joy and suffering together—because the Gospel gives a joy that suffering cannot take away.

Jonathan Edwards once said:

Thus there is a difference between having an opinion that God is holy and gracious, and having a sense of the loveliness and beauty of that holiness and grace. There is a difference between having a rational judgment that honey is sweet, and having a sense of its sweetness.

The Thessalonians didn’t just know about Jesus—they tasted His sweetness. And that taste gave them joy in their affliction.

What about you?

When your life shakes, what do people see?

You see, that’s the difference the Gospel makes.

The Gospel doesn’t remove suffering, but it reshapes it.

It turns your affliction into a place where the world sees Jesus.

 

How is that possible? How can we ever be joyful in our suffering?

I am glad you asked.

3. The Gospel Gives Hope

We can be joyful in our suffering because the Gospel gives hope.

Paul puts it like this, 1 Thessalonians 1:9-10:

​​9 For they themselves report concerning us the kind of reception we had among you, and how you turned to God from idols to serve the living and true God, 10 and to wait for his Son from heaven, whom he raised from the dead, Jesus who delivers us from the wrath to come.

Becoming a Christian isn’t adding Jesus to your existing life.

It’s turning from whatever you trusted in.

Paul said the Thessalonians turned from idols.

That is odd. From Acts 17, we know that the Thessalonian believers were Jews and God-fearing Greeks (these were Gentiles who worshipped the God of Israel).

They were not the classic idol-worshippers.

So, why does Paul say that they “turned from idols”?

Because the religious can be idolaters too.

We don’t bow to statues anymore, but our idols remain.

An idol is whatever you believe you must have to be okay—it is whatever you fear losing the most.

  • It might be your career dreams, the desire to be admired, the need for control, relationship, or the curated self you present to the world.
  • An idol is whatever gives your life true meaning, if it were to be taken away from you, your life crumbles.

Here is the truth: Idols demand much of you but give little in return.

  • While Idols demand that you sacrifice yourself for them—
  • Jesus sacrifices Himself for you.

Idols take from you.

Jesus gives himself for you.

Paul anchors the Thessalonians’ hope not in their strength but in Christ’s:

the One who died for them, rose for them, chose them, keeps them, and is coming again.

If your salvation depended on your performance, you would always fear losing it.

But because your salvation rests on Christ, your hope is secure.

Paul reminds them in 1 Thessalonians 1:4 that their turning wasn’t ultimately their own achievement. He says, “For we know, brothers loved by God, that he has chosen you.”

In other words, even their repentance and faith was the result of God’s gracious choice. They didn’t save themselves by turning from idols — God saved them by opening their hearts to turn.

The more you see the beauty of Christ—the more you grasp that He bore the wrath you deserve—the more your idols loosen their grip.

The more you look at the cross, the less you cling to things that cannot save.

This is the Gospel.

It is not just historical facts.

It is much more than knowledge.

The Gospel is: The Son of God took our place.

At the cross, He bore the wrath we deserve, so that we can live for Him not in fear but in confidence.

This is the Gospel that transforms!

Idols take your life and give you nothing.

Jesus gave His life and gives you everything.

Paul says the Thessalonians turned—

because they found a Master who gives them life.

And now, in the face of death, they stood tall with confidence.

To the degree that you see Jesus as the One who gave His life for you, to that degree the idols will begin to lose their grip on your heart.

To the degree that you marvel at the cross — that He bore the wrath you deserve — to that degree you will be able to face suffering with joy.

Because you know this: every hardship you face in this life is emptied of God’s wrath, for Christ has borne it all.

So, rest not in your strength, not in your righteousness — but in Christ’s unending love for you.

There you will find

a hope that cannot be shaken,

a joy that suffering cannot steal, and

a future that nothing in this world can take away.

 

Discussion questions:

  1. What struck you the most from the sermon?
  2. What are the differences between when the gospel comes in mere words and when it comes in power?
  3. How do you know if you are truly a Christian?
  4. How does the gospel loosen your grip on your idol?
  5. What are some spiritual disciplines you can do to battle your idol? Be specific and realistic