Know The War

SERMON TITLE

The War Within

ANCHOR MOVEMENT

Know the War. Feel the Weight. Walk by the Spirit.

BIG IDEA

Sanctification is the lifelong, Spirit-empowered war against indwelling sin—where victory comes not from trying harder, but from walking in the Spirit.

INTRODUCTION

Have you ever had that moment where you finally say:

“I’m done with this. I’m not going back.”

And you meant it.

You prayed about it. You felt convicted. You were serious.

…and then you went right back.

Same sin. Same habit. Same cycle.

And eventually, the question hits deeper:

“Why am I still like this?” “If I’m saved… why am I still struggling?” “Did anything actually change in me?”

That question is not new.

In Romans 7:14–25, the Apostle Paul—mature, seasoned, Spirit-filled—says:

“I do not do what I want, but I do the very thing I hate.”

That is not a weak Christian.

That is a real one.

And what Paul shows us is this:

The Christian life is not the absence of struggle… It is the presence of a new kind of struggle.

So tonight, we are not avoiding the tension—we are stepping into it.

Know the War. Feel the Weight. Walk by the Spirit.

POINT 1 — KNOW THE WAR

(Romans 7:14–17)

Romans 7:14–17 NIV

We know that the law is spiritual; but I am unspiritual, sold as a slave to sin. I do not understand what I do. For what I want to do I do not do, but what I hate I do. And if I do what I do not want to do, I agree that the law is good. As it is, it is no longer I myself who do it, but it is sin living in me.

Paul begins with clarity, not confusion:

“The law is spiritual, but I am of the flesh…”

Exposition

The word “flesh” (sarx) refers not just to the body, but to the fallen human nature—the part of us still bent toward sin.

Verse 15:

Romans 7:15 NIV

I do not understand what I do. For what I want to do I do not do, but what I hate I do.

“I do not understand my own actions… I do what I hate.”

Notice the language:

He wants righteousness

He hates sin

But he still does it

This is not pre-Christian ignorance.

This is post-conversion conflict.

Theological Depth

Paul is describing the reality that:

You are no longer in the flesh… but the flesh is still in you

Sin no longer reigns… but it remains.

This aligns with the doctrine of sanctification:

Sanctification begins at salvation—but it is not completed there. It is a progressive work, where the believer is set apart and grows in holiness over time through the Spirit’s power (BF&M 2000).

Core Truth

There is a war in you.

Not around you. Not near you.

In you.

Anchor Line

Dead people don’t fight sin. Only living people do.

The struggle is not evidence that nothing changed.

It’s evidence that something did.

Illustration

Imagine a kingdom that has been conquered.

The king has been dethroned

A new king now rules

…but there are still rebel forces hiding in the land.

That’s your flesh.

Application

So ask yourself:

Do I feel conviction when I sin?

Do I hate what I’m doing?

That’s the war.

But hear this clearly:

There is a difference between struggling with sin… and settling in it.

Transition

So if the war is real…

Why is it so intense? Why does it feel like we keep losing?

POINT 2 — FEEL THE WEIGHT

(Romans 7:18–23)

Romans 7:18–23 NIV

For I know that good itself does not dwell in me, that is, in my sinful nature. For I have the desire to do what is good, but I cannot carry it out. For I do not do the good I want to do, but the evil I do not want to do—this I keep on doing. Now if I do what I do not want to do, it is no longer I who do it, but it is sin living in me that does it. So I find this law at work: Although I want to do good, evil is right there with me. For in my inner being I delight in God’s law; but I see another law at work in me, waging war against the law of my mind and making me a prisoner of the law of sin at work within me.

Paul goes deeper:

“I have the desire to do what is right… but not the ability to carry it out.”

Exposition

Verse 18:

Romans 7:18 NIV

For I know that good itself does not dwell in me, that is, in my sinful nature. For I have the desire to do what is good, but I cannot carry it out.

“Nothing good dwells in me… that is, in my flesh.”

Paul clarifies:

Not his identity

But his remaining corruption

Verse 21:

Romans 7:21 NIV

So I find this law at work: Although I want to do good, evil is right there with me.

“When I want to do right, evil lies close at hand.”

Core Truth

Wanting to change is not the same as having the power to change.

Deeper Diagnosis

Why do we still sin?

Because:

In that moment… we want it more.

The will follows desire.

You don’t sin because you’re forced to.

You sin because your desires are still divided.

Theological Clarity

Sanctification is not:

instant

automatic

effortless

It is a lifelong battle against indwelling sin.

The closer you get to God…

the more clearly you see your sin.

Emotional Climax

Verse 24:

Romans 7:24 NIV

What a wretched man I am! Who will rescue me from this body that is subject to death?

“O wretched man that I am!”

This is not casual frustration.

This is spiritual agony.

Illustration (Body of Death)

Paul’s imagery points to a horrifying picture:

Being chained to a corpse face to face dragging it everywhere.

That’s what sin feels like.

Core Truth

You can’t fix you.

The law can expose sin…

but it cannot empower change.

Application

So what do you do?

Confess specific sin tonight

Cut off what feeds it

Bring it into the light with someone

Because:

This is not behavior management. This is spiritual warfare.

Transition

And that leads to the question Paul asks:

“Who will deliver me?”

POINT 3 — WALK BY THE SPIRIT

(Romans 7:24–25 → Galatians 5:16–25)

Romans 7:24–25 NIV

What a wretched man I am! Who will rescue me from this body that is subject to death? Thanks be to God, who delivers me through Jesus Christ our Lord! So then, I myself in my mind am a slave to God’s law, but in my sinful nature a slave to the law of sin.

Galatians 5:16–25 NIV

So I say, walk by the Spirit, and you will not gratify the desires of the flesh. For the flesh desires what is contrary to the Spirit, and the Spirit what is contrary to the flesh. They are in conflict with each other, so that you are not to do whatever you want. But if you are led by the Spirit, you are not under the law. The acts of the flesh are obvious: sexual immorality, impurity and debauchery; idolatry and witchcraft; hatred, discord, jealousy, fits of rage, selfish ambition, dissensions, factions and envy; drunkenness, orgies, and the like. I warn you, as I did before, that those who live like this will not inherit the kingdom of God. But the fruit of the Spirit is love, joy, peace, forbearance, kindness, goodness, faithfulness, gentleness and self-control. Against such things there is no law. Those who belong to Christ Jesus have crucified the flesh with its passions and desires. Since we live by the Spirit, let us keep in step with the Spirit.

Paul answers:

“Thanks be to God through Jesus Christ our Lord!”

Core Truth

You don’t fix you—Jesus rescues you.

Galatians 5 Exposition

Galatians 5:16 NIV

So I say, walk by the Spirit, and you will not gratify the desires of the flesh.

“Walk by the Spirit…”

The word peripateō means: your daily conduct, your lifestyle

Core Truth

You don’t defeat the flesh by fighting it… you defeat it by walking in the Spirit.

Theological Depth

Sanctification is:

Spirit-empowered

Progressive

Relational

You don’t conquer sin by law-keeping…

You grow by Spirit-dependence.

Flesh vs Spirit

“The flesh and the Spirit are opposed to each other.”

They don’t cooperate.

They war.

Illustration (Moving Walkway)

Like walking on an airport walkway:

You’re moving

But the power is underneath you

That’s the Spirit.

Works vs Fruit

Works = what you produce

Fruit = what the Spirit produces

Galatians 5:22–23 NIV

But the fruit of the Spirit is love, joy, peace, forbearance, kindness, goodness, faithfulness, gentleness and self-control. Against such things there is no law.

Anchor Line

Walking in the Spirit is not a moment—it’s a lifestyle.

Application

This week:

Set a daily time with God

Pray before temptation, not after

Ask: “Spirit, lead me today”

CONCLUSION

Let’s go back to the question:

“Why am I still struggling?”

Because:

There is a war in you

Sin is still present

Sanctification is still in progress

Anchor Movement

Know the War. Feel the Weight. Walk by the Spirit.

Final Tension

The struggle is not the problem. The absence of struggle is.

Final Call

So the question is not:

Do you struggle?”

The question is:

Are you fighting… or are you comfortable?

Gospel Connection

You can fight…

because Jesus already won.

He died for your sin

He rose in victory

He gives you His Spirit

Final Line

“One day, the war ends. Until that day… stay in the fight.”