9 - The Sabbath and the Gospel: Resting in Christ

Updated: Sep 1
What does it mean to enter God's rest?
We've spent the first part of this series asking a question that initially sounded very simple:
Why the seventh day?
But the further we've gone, the more we've discovered that the Sabbath question is actually connected to something much bigger.
Creation.
Authority.
The law.
Justification.
Sanctification.
Christ's finished work.
Faith.
And now Hebrews 4 has brought us to the heart of it:
“There remains therefore a Sabbath rest for the people of God.”— Hebrews 4:9
So perhaps we should stop asking only:
“What day should I keep?”
and ask the deeper question:
What does the Sabbath actually point us toward?
It Begins With a Finished Work
Go all the way back to Genesis.
“And on the seventh day God ended His work which He had done... and He rested from all His work which God had made.”— Genesis 2:2
Notice the order.
God worked.
God finished His work.
God rested.
God did not rest because He was exhausted.
He rested because the work was complete.
Then something extraordinary happens:
“Then God blessed the seventh day and sanctified it.”— Genesis 2:3
God didn't merely create a day.
God sanctified it.
That distinction matters.
Who Can Sanctify?
This brings us back to the question that started this entire series:
Who has the authority to sanctify?
Human beings can manufacture religious practices.
We can establish traditions.
We can designate holidays.
We can create institutions.
But sanctification belongs to God.
And Scripture makes that connection explicit.
In Exodus 31, God says concerning the Sabbath:
“My Sabbaths you shall keep... that you may know that I am the LORD who sanctifies you.”— Exodus 31:13
That's remarkable.
The Sabbath is connected directly with the One who sanctifies.
Not:
“You sanctify yourselves.”
But:
“I am the LORD who sanctifies you.”
Now Bring That Into the Gospel
What does justification by faith teach?
Paul says:
“A man is justified by faith apart from the deeds of the law.”— Romans 3:28
And:
“Knowing that a man is not justified by the works of the law but by faith in Jesus Christ...”— Galatians 2:16
The Gospel does not tell us:
“Work hard enough and God will finally accept you.”
It tells us something radically different.
God has acted first.
Christ has accomplished what we could never accomplish.
We receive His righteousness by faith.
That is why Hebrews 4 is so important.
The writer doesn't tell us to create God's rest.
He tells us to enter it.
Christ's Work Was Finished
Now listen to Jesus at the cross:
“It is finished.”— John 19:30
Finished.
Not:
“I have made salvation possible if you can finish the rest.”
Not:
“I've done most of the work; now you complete it.”
“It is finished.”
And Hebrews repeatedly emphasizes this completed work.
“But this Man, after He had offered one sacrifice for sins forever, sat down at the right hand of God.”— Hebrews 10:12
Why did He sit down?
Because the sacrifice was complete.
The priest who has completed his work sits down.
And now Hebrews tells us:
“Let us therefore be diligent to enter that rest.”— Hebrews 4:11
Do you see the connection?
The Gospel Doesn't Tell Us to Finish Christ's Work
This is where we need to be extremely careful.
There is a difference between:
Obedience as the fruit of faith
and
Obedience as the basis of acceptance with God.
The first is biblical.
The second destroys the Gospel.
Paul is emphatic:
“For by grace you have been saved through faith... not of works.”— Ephesians 2:8–9
We don't obey the Sabbath—or any commandment—in order to make God willing to save us.
God has already acted in Christ.
Faith receives what God has accomplished.
That is rest.
So What Does Sabbath Have to Do With This?
Everything we've learned so far comes together here.
The Sabbath was established when God's work was finished.
The Sabbath was sanctified by God.
The Sabbath points us toward God's rest.
Hebrews takes that Creation reality and connects it to Christ's finished work.
And the believer is invited to enter that rest by faith.
So Sabbath is not competing with the Gospel.
It is pointing us toward the Gospel reality of resting in God's finished work.
But Don't Make the Opposite Mistake
We need to be just as careful on the other side.
If Sabbath points to resting in Christ, that does not mean:
“Therefore the Sabbath no longer matters.”
That's not what Hebrews says.
Remember what we discovered in the previous post.
Hebrews goes all the way back to:
“God rested on the seventh day.”
And after taking us through Israel, Joshua, David, unbelief, and the Gospel, the writer says:
“There remains therefore a Sabbath rest for the people of God.”
The Gospel doesn't erase the Creation foundation.
It reveals its meaning more deeply.
The Sabbath Is Not the Savior
Let's make this absolutely clear.
Keeping the Sabbath cannot save you.
Keeping Sunday cannot save you.
Keeping any day cannot save you.
Christ saves.
The Sabbath isn't our righteousness.
Christ is our righteousness.
The Sabbath isn't our mediator.
Christ is our Mediator.
The Sabbath isn't our sacrifice.
Christ is our sacrifice.
The Sabbath isn't our source of life.
Christ is our Life.
So why does the Sabbath matter?
Because the One who created and sanctified the Sabbath is the same God who accomplishes our salvation.
And This Brings Us to Sanctification
Here's where the authority issue becomes even more profound.
We often talk about justification:
God declares us righteous in Christ.
But what about sanctification?
Who makes us holy?
Who transforms us?
Who sets us apart?
Scripture's answer is not:
“You do it yourself.”
God says:
“I am the LORD who sanctifies you.”
That's why Exodus 31:13 is so important.
The Sabbath is not merely about what day you stop working.
It is a sign pointing to Who sanctifies you.
God does.
And That Changes the Entire Sabbath Debate
If Sabbath becomes:
“Look how well I keep this commandment.”
we have missed the Gospel.
If Sabbath becomes:
“My obedience proves that I'm better than you.”
we have missed the Gospel.
If Sabbath becomes:
“God will save me because I keep the right day.”
we have missed the Gospel.
But if Sabbath becomes:
“God finished the work, God sanctifies me, Christ finished redemption, and I trust Him rather than myself”
then suddenly the Sabbath becomes a profoundly Christ-centered Gospel testimony.
The Sabbath Says Something About Us
It says:
I am not the Creator.
I am not the Savior.
I am not the Sanctifier.
I cannot create righteousness.
I cannot manufacture holiness.
I cannot finish what Christ has already finished.
And therefore:
I rest.
Not in myself.
Not in my performance.
Not in my denomination.
Not in my ability to get everything right.
I rest in Christ.
This Is Why Hebrews Says “Today”
Remember the repeated word in Hebrews 3–4?
Today.
“Today, if you will hear His voice, do not harden your hearts.”
The invitation is present.
God's rest isn't merely something that happened in Genesis.
It isn't merely something Israel failed to enter in the wilderness.
It isn't merely something David talked about.
It is God's invitation to us now.
And Hebrews says:
“We who have believed do enter that rest.”
Faith enters the rest.
And Here's the Paradox
The Christian life isn't:
“Stop obeying because Christ did everything.”
Nor is it:
“Obey enough so Christ will accept you.”
It is:
Christ has accomplished salvation.
Faith receives Him.
His righteousness becomes the believer's hope.
And obedience becomes the fruit of a relationship with Him.
That's the Gospel.
The Sabbath and the Gospel Point in the Same Direction
The Sabbath says:
God finished His work.
The cross says:
Christ finished His work.
Faith says:
I trust the finished work.
Sanctification says:
God is the One who makes me holy.
And Hebrews says:
“There remains therefore a Sabbath rest for the people of God.”
That's not legalism.
That's rest.
But There Is Still More to the Story
We've seen that the Sabbath reaches all the way back to Creation.
We've seen that God finished His work, rested, blessed the seventh day, and sanctified it.
We've seen that Hebrews takes that Creation rest and connects it with the Gospel.
We've seen that resting in Christ is not resting from faithfulness—it is resting from the attempt to establish our own righteousness.
But there is another question we haven't fully explored.
Where does Israel fit into this story?
Because throughout Scripture, God's dealings with Israel are repeatedly connected to:
His promises.
His rest.
His covenant.
His judgment.
His restoration.
And then the New Testament does something extraordinary.
It takes Israel's story and places Jesus Christ directly in the middle of it.
Jesus doesn't simply arrive to start a completely new story.
He enters Israel's story.
He fulfills it.
And one particular theme appears again and again:
The Third Day.
Hosea speaks of Israel being revived and raised on the third day.
Jonah spends three days in the great fish.
Jesus explicitly says Jonah was a sign pointing to Himself.
And Paul says Christ:
“rose again the third day according to the Scriptures.”— 1 Corinthians 15:4
So what is happening?
Is the “third day” simply a series of interesting coincidences?
Or is Scripture showing us something about Christ as the fulfillment of Israel's story?



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