The Power of Thanksgiving

Text: Romans 1:18–32 Big Idea: Thanksgiving protects the heart from spiritual decline.

[INTRO]

Thanksgiving is a holiday when millions of people across this country pause to reflect on the things they’re thankful for. Families gather, tables are full, people slow down, and for a moment they acknowledge their blessings. And that’s a good thing.

But for those of us who are Christians, Thanksgiving isn’t a day on the calendar—it's a lifestyle.

We don’t wait for the fourth Thursday in November to say “thank You.” We have reasons to be thankful every single day, because in Christ we have been blessed beyond measure:

forgiven of sin

filled with the Spirit

adopted into God’s family

given hope, purpose, and eternal life

If anybody ought to be thankful, it’s the child of God.

But here’s where we often miss it:

Thanksgiving is not just a polite response to blessings—Thanksgiving has power.

And watch this— even science is now confirming what Scripture has been saying all along.

Researchers published a massive study reviewing dozens of gratitude interventions and found that people who practiced thanksgiving experienced:

higher life satisfaction

better mental health

lower anxiety and depression¹

Harvard Health reports that gratitude helps people experience more positive emotions, improve relationships, and feel connected to something larger than themselves².

And neuroscientists have discovered that when people regularly practice gratitude, specific areas of the brain responsible for emotional regulation actually strengthen, helping people think more clearly, manage stress, and make better decisions over time³.

In other words:

When gratitude shuts down, the mind begins to break down. When gratitude is active, the mind becomes healthier and stronger.

Now if thanksgiving has that much power without Christ— imagine the power of thanksgiving rooted in the gospel, grounded in the goodness of God, flowing from a redeemed heart.

Because here’s the spiritual truth:

Thanksgiving doesn’t just keep us where we need to be— it keeps us out of places we have no business going.

And our text tonight exposes that truth.

[TEXT EXPOSITION – ROMANS 1:18–25]

Paul begins this section with one of the most sobering statements in all of Scripture.

Romans 1:18:

For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who hold the truth in unrighteousness.

Before Paul ever talks about thanksgiving, he talks about wrath.

Why?

Because Paul wants us to understand:

The absence of thanksgiving is not just rude— it is rebellion against a holy God.

He says God’s wrath is revealed—present tense.

Not future only. Not simply at judgment.

God’s wrath is already being poured out.

How?

Not primarily through fire and brimstone…

but through abandonment.

God’s wrath is seen when God says:

“If you don’t want Me… I will let you see what life is like without Me.”

APPLICATION

Some of the worst seasons in our lives were not when God said “No”… but when God said:

“Fine. Have it your way.”

Romans 1:19–20 “19 For what can be known about God is plain to them, because God has shown it to them. 20 For his invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made. So they are without excuse.”

That which may be known of God is manifest in them; for God hath shewed it unto them. For the invisible things of Him from the creation of the world are clearly seen…

Creation makes God:

undeniable

unmistakable

clearly visible

Creation preaches:

the sun declares His faithfulness

the stars declare His glory

the seasons declare His order

the breath in your lungs declares His goodness

Nobody woke up this morning and created their own oxygen.

APPLICATION

Most of us are not suffering from a lack of blessings… we’re suffering from a lack of awareness.

Somebody would love to have:

the job you complain about

the house you overlook

the spouse you take for granted

the kids who wear you out

the health you don’t appreciate

The problem isn’t that God hasn’t blessed us— it’s that we’ve stopped noticing.

Romans 1:21:

Because that, when they knew God, they glorified Him not as God, neither were thankful…

This is the hinge.

Humanity did not fall into sin because it lacked knowledge.

It fell because it lacked gratitude.

[POINT I – THE REVELATION THEY RECEIVED] (vv. 19–20)

God revealed Himself through creation and conscience.

Every sunrise is a sermon. Every heartbeat is a testimony.

God has been good.

Thanksgiving begins with recognizing the source.

APPLICATION

If you don’t recognize God as the source…

you will:

praise yourself

depend on yourself

worship yourself

And the moment you become your own god…

your world begins to crumble.

[POINT II – THE RESPONSE THEY REJECTED] (v. 21)

They glorified Him not as God, neither were thankful.

The moment thanksgiving stopped, decline began.

When gratitude dies:

pride rises

idolatry is born

worship shifts

the heart darkens

APPLICATION

You can measure your gratitude by your prayer life.

A prayerless Christian is a thankless Christian.

If you rarely:

pray

praise

worship

…it may be because you believe YOU are the source.

You don’t thank a God you think you replaced.

[POINT III – THE RUIN THEY REAPED] (vv. 24–32)

Three times Paul says:

God gave them up.

The worst judgment in Scripture is not God punishing…

It is God letting go.

When thanksgiving stopped:

morals collapsed

values collapsed

relationships collapsed

thinking collapsed

worship collapsed

APPLICATION

Look at our culture:

We have more:

comfort

convenience

opportunity

technology

…and yet more:

anxiety

depression

brokenness

addiction

identity confusion

Why?

Because when thanksgiving leaves, darkness enters.

[PRE-CRESCENDO – CONTEXT & MIC DROP TRAP]

Now church… before we get too comfortable…

Paul isn’t just describing “the world.”

He’s building a legal case.

Romans Context:

Romans 1: Gentiles are guilty

Romans 2: Jews are guilty

Romans 3: everybody is guilty

Here’s Paul’s entire argument in one statement:

Chapter 1 says “they’re guilty.” Chapter 2 says “you’re guilty.” Chapter 3 says “we’re all guilty.” And chapter 4 says “thank God for Jesus.”

Paul sets a trap.

His Jewish audience nodded, shouted “Amen!”, agreed with him…

and then he turns the mirror:

Romans 2:1:

Therefore YOU are without excuse…

The moment you think this passage is about somebody else…

you’ve missed Paul’s point.

Because the same ingratitude that leads the world into darkness…

can lead a Christian into dryness.

The same thanklessness that destroys a culture…

can destroy a marriage.

The same attitude that replaces God out there…

can replace God in here.

Romans 1 isn’t written so we can look down on others— it’s written so we will look within ourselves.

[CRESCENDO]

Sin doesn’t start in:

the bedroom

the bar room

the courtroom

It starts in the heart that refuses to say:

“Thank You” to God.

The enemy doesn’t need to hand you a new idol…

he just needs you to forget who blessed you.

When thanksgiving leaves, something else will take its place.

[INVITATION]

Maybe the issue in your life isn’t:

knowledge

ability

opportunity

Maybe the issue is gratitude.

Tonight is a good night to say:

“Lord, thank You.”

And if you are not a Christian…

the greatest expression of thanksgiving is obedience.

Believe. Repent. Confess. Be baptized.

Because the most thankful heart is the one washed clean.