Lest You Be Wise in Your Own Opinion: Paul’s Warning Christendom Ignored

by Jamie Pantastico | Apr 30, 2026

Romans 11:25 — The Warning Against Gentile Arrogance

 

“For I do not desire, brethren, that you should be ignorant of this mystery, lest you should be wise in your own opinion, that blindness in part has happened to Israel until the fullness of the Gentiles has come in.”
— Romans 11:25

 

Few verses in the New Testament expose the pride of Gentile Christendom more clearly than Romans 11:25.

 

Paul did not merely give information about Israel. He gave a warning.

 

He warned Gentile believers not to become ignorant of God’s revealed purpose concerning Israel. Why? Because ignorance would produce conceit. It would lead Gentiles to become “wise in their own opinion.” They would look at Israel’s present blindness, Israel’s national fall, and Israel’s temporary setting aside, and they would come to a proud and dangerous conclusion:

 

God is finished with Israel.

 

Sadly, much of Christendom has done exactly what Paul warned against.

 

For centuries, many have taught that the Church has replaced Israel, that Israel’s covenants now belong spiritually to the Church, and that the promises God made to Abraham, Isaac, Jacob, and David will no longer be fulfilled to the nation to whom they were given.

 

But Romans 11 teaches the opposite.

 

Romans 11 does not teach that the Church replaced Israel. Romans 11 warns Gentiles not to think that way.

 

Paul Was Speaking Directly to Gentiles

 

Before we can understand the warning in Romans 11:25, we must notice who Paul is addressing.

 

“For I speak to you Gentiles; inasmuch as I am an apostle to the Gentiles, I magnify my ministry.”
— Romans 11:13

 

That matters.

 

Paul is not speaking to Israel in this section. He is speaking to Gentiles. He is warning Gentiles not to misunderstand Israel’s fall. He is warning Gentiles not to boast against Israel. He is warning Gentiles not to conclude that Israel has been permanently cast away.

 

This is why Romans 11 is so important.

 

Paul knew exactly what Gentiles would be tempted to do. They would see Israel in unbelief. They would see salvation going to the Gentiles. They would see the riches of God’s grace being preached among the nations. And instead of responding with humility, they would be tempted to become arrogant.

 

They would think Israel had been replaced.

 

They would think the Church was now Israel.

 

They would think the covenants, promises, and prophetic hope of Israel had been transferred to them.

 

That is why Paul says:

 

“lest you should be wise in your own opinion…”

 

This is not a small warning. It is one of the most important doctrinal warnings in the entire New Testament.

 

Israel Has Fallen, But Israel Has Not Been Cast Away

 

Paul begins Romans 11 with a question that should settle the matter:

 

“I say then, has God cast away His people? Certainly not!”
— Romans 11:1

 

That answer could not be clearer.

 

Has God cast away His people?

Certainly not.

 

Paul does not say, “Yes, God has cast them away, and the Church is now Israel.”

 

He does not say, “Yes, Israel’s promises have been spiritually transferred to the Church.”

He does not say, “Yes, God is finished with the nation of Israel.”

He says the opposite.

 

“Certainly not!”

 

Then Paul gives himself as evidence:

 

“For I also am an Israelite, of the seed of Abraham, of the tribe of Benjamin.”
— Romans 11:1

 

Paul was not confused about the identity of Israel. He did not use “Israel” to mean “the Church.” He identified Israel according to physical descent, tribal identity, and covenant history.

 

He was an Israelite.

He was of the seed of Abraham.

He was of the tribe of Benjamin.

 

That is national Israel language. That is not symbolic Church language.

 

Paul continues:

 

“God has not cast away His people whom He foreknew.”
— Romans 11:2

 

God has not cast away His people.

 

That statement alone should cause every believer to tremble before claiming that God is finished with Israel.

 

Israel Stumbled, But Not Permanently

 

Paul asks another critical question:

 

“I say then, have they stumbled that they should fall? Certainly not!”
— Romans 11:11

 

Again, Paul answers with unmistakable force.

 

Israel stumbled. Israel fell nationally. Israel rejected her Messiah. Israel was temporarily blinded. But did they stumble so that they should fall permanently?

 

Certainly not.

 

That is Paul’s answer.

 

Israel’s fall is real, but it is not final.

Israel’s blindness is real, but it is not permanent.

Israel’s setting aside is real, but it is not God’s cancellation of His promises.

 

Paul explains what happened:

 

“But through their fall, to provoke them to jealousy, salvation has come to the Gentiles.”
— Romans 11:11

 

Israel’s fall opened the door for salvation to go to the Gentiles in a way previously unrevealed. Through Israel’s fall, God brought in the present dispensation of grace, revealing the mystery through the Apostle Paul.

 

But Gentile salvation does not mean Israel’s destruction.

Gentile blessing does not mean Israel’s replacement.

Gentile participation does not mean Gentile possession of Israel’s covenants.

 

The Gentiles are not takers. They are partakers.

 

Do Not Boast Against the Branches

 

Paul then gives one of the strongest warnings in the chapter:

 

“And if some of the branches were broken off, and you, being a wild olive tree, were grafted in among them, and with them became a partaker of the root and fatness of the olive tree, do not boast against the branches.”
— Romans 11:17–18

 

Notice the language carefully.

 

The Gentile is a wild olive branch.

The Gentile is grafted in among them.

The Gentile becomes a partaker.

 

Paul does not say the wild branches became the natural branches.

 

He does not say the Gentiles replaced Israel.

He does not say the Church became Israel.

He says the Gentiles were grafted in and became partakers of blessing.

 

Then comes the warning:

 

“Do not boast against the branches.”

 

That is exactly what replacement theology does.

 

It boasts against the branches.

It looks at Israel’s present unbelief and says, “God is finished with them.”

It looks at Israel’s blindness and says, “Their promises now belong to us.”

It looks at Israel’s fall and says, “We are the true Israel now.”

 

But Paul says:

“But if you do boast, remember that you do not support the root, but the root supports you.”
— Romans 11:18

 

That is humbling.

The Gentiles do not support the root.

The root supports them.

The promises did not begin with the Gentiles. The covenants were not made with the nations. 

The prophetic hope was not first given to the Church, which is His Body.

 

Paul had already written earlier in Romans:

 

“who are Israelites, to whom pertain the adoption, the glory, the covenants, the giving of the law, the service of God, and the promises.”
— Romans 9:4

 

The covenants pertain to Israel.

The promises pertain to Israel.

The glory pertained to Israel.

The law was given to Israel.

The service of God was given to Israel.

The fathers belonged to Israel.

 

Christ came according to the flesh through Israel.

 

The Gentiles are blessed by grace, but Gentile blessing does not erase Israel’s identity or cancel Israel’s promises.

 

“Do Not Be Haughty, But Fear”

 

Paul’s warning becomes even stronger:

 

“Because of unbelief they were broken off, and you stand by faith. Do not be haughty, but fear.”
— Romans 11:20

 

That phrase should have restrained Gentile Christendom for the last two thousand years.

 

“Do not be haughty, but fear.”

 

Do not be arrogant.

Do not be proud.

Do not look down on Israel.

Do not assume God’s present dealings with the Gentiles mean His promises to Israel have failed.

Do not become wise in your own opinion.

 

Paul continues:

 

“For if God did not spare the natural branches, He may not spare you either.”
— Romans 11:21

 

This is sobering language.

 

Gentile Christendom was supposed to learn humility from Israel’s fall, not superiority. Israel’s unbelief was supposed to produce reverence, not arrogance. The temporary setting aside of Israel was supposed to magnify the mercy of God, not encourage the Gentiles to boast.

 

Yet much of Christendom has done the very thing Paul warned against.

 

Paul said:

 

Do not boast.

Do not be haughty.

Fear.

 

Do not be wise in your own opinion.

 

That is the progression of Romans 11.

 

The Mystery: Blindness in Part, Not Blindness Forever

 

Now we come to Romans 11:25:

 

“For I do not desire, brethren, that you should be ignorant of this mystery, lest you should be wise in your own opinion, that blindness in part has happened to Israel until the fullness of the Gentiles has come in.”
— Romans 11:25

 

This verse gives us the key to the whole chapter.

Paul says he does not want the brethren to be ignorant of this mystery. This means God is revealing something through Paul that must be understood in order to avoid conceit.

 

What is the mystery? (Remember mystery is a secret)

 

“blindness in part has happened to Israel until the fullness of the Gentiles has come in.”

 

Every phrase matters.

 

“Blindness in part”

 

Israel’s blindness is partial.

 

Not every Jew is blinded. Paul himself was an Israelite. There was a remnant according to the election of grace.

 

“Even so then, at this present time there is a remnant according to the election of grace.”
— Romans 11:5

 

So Israel’s blindness is not total.

 

“Has happened to Israel”

 

Paul still calls them Israel.

 

He does not say blindness has happened to the former Israel.

He does not say blindness has happened to those who used to be Israel.

He does not redefine Israel as the Church.

He says blindness has happened to Israel.

 

“Until”

 

This word destroys the idea that Israel’s blindness is permanent.

“Until” points to a limit, a time.

 

Israel’s blindness has an expiration point in the plan of God.

 

“The fullness of the Gentiles has come in”

 

God is presently doing something among the Gentiles. During this present dispensation of grace, salvation is going to the nations through the gospel of the grace of God, revealed through Paul.

 

But this present Gentile fullness does not cancel Israel’s future.

 

It confirms that God is working according to His wisdom, His timing, and His mercy.

 

“And So All Israel Will Be Saved”

 

Paul continues:

 

“And so all Israel will be saved, as it is written:
‘The Deliverer will come out of Zion,
And He will turn away ungodliness from Jacob;
For this is My covenant with them,
When I take away their sins.’”
— Romans 11:26–27

 

Paul does not say, “And so the Church has become Israel.”

 

He says:

 

“And so all Israel will be saved.”

 

Then he quotes Israel’s prophetic promises.

 

The Deliverer will come out of Zion.

He will turn away ungodliness from Jacob.

 

God’s covenant with them will be fulfilled.

Their sins will be taken away.

 

The language is national, covenantal, and prophetic.

 

This is not the Church replacing Israel. This is God fulfilling what He promised to Israel.

 

And notice: Paul supports his argument by appealing to what was written. The future salvation of Israel is not Paul’s invention. It is the confirmation of God’s prophetic promises. 

 

God will do what He said.

God will keep what He swore.

God will fulfill what He covenanted.

 

Beloved for the Sake of the Fathers

 

Paul then gives another statement that should settle the issue:

 

“Concerning the gospel they are enemies for your sake, but concerning the election they are beloved for the sake of the fathers.”
— Romans 11:28

 

This is one of the clearest verses in the chapter.

Concerning the gospel, Israel is presently in unbelief.

But concerning the election, they are beloved.

 

Why?

 

“For the sake of the fathers.”

 

Who are the fathers?

 

Abraham, Isaac, and Jacob.

 

God’s promises to Israel are tied to the fathers. God’s covenant faithfulness is tied to what He swore to them.

 

Israel may be presently blinded, but Israel is still beloved for the sake of the fathers.

Israel may be nationally fallen, but Israel is still beloved for the sake of the fathers.

Israel may be in unbelief, but Israel is still beloved for the sake of the fathers.

 

That is not replacement. That is covenant faithfulness.

 

Then Paul gives the great conclusion:

 

“For the gifts and the calling of God are irrevocable.”
— Romans 11:29

 

Irrevocable means God does not take them back.

 

God does not revoke what He promised.

God does not cancel what He swore.

God does not make covenant promises to Israel and then transfer them to another people as though His words no longer mean what they said.

 

The gifts and calling of God are irrevocable.

 

That includes Israel’s calling.

That includes Israel’s promises.

That includes God’s covenant purpose for the nation.

 

The Conceit Paul Warned About

 

This is why Romans 11:25 is so piercing.

 

Paul warned Gentiles not to be ignorant of this mystery because ignorance would produce conceit.

 

And that is exactly what has happened.

 

When Christendom teaches that the Church is Israel, it is not explaining Romans 11. It is contradicting Romans 11.

 

When Christendom teaches that God is finished with national Israel, it is not honoring Paul’s warning. It is ignoring Paul’s warning.

When Christendom teaches that Israel’s covenants now belong to the Church, it is not rightly dividing the Word of truth. It is boasting against the branches.

 

Paul did not say:

 

“Israel has been replaced.”

 

He said:

 

“God has not cast away His people whom He foreknew.”

 

Paul did not say:

 

“Israel stumbled so they should fall permanently.”

 

He said:

 

“Have they stumbled that they should fall? Certainly not!”

 

Paul did not say:

 

“Gentiles now support the root.”

 

He said:

 

“you do not support the root, but the root supports you.”

 

Paul did not say:

 

“Be proud that Israel has fallen.”

 

He said:

 

“Do not be haughty, but fear.”

 

Paul did not say:

 

“Israel’s blindness is permanent.”

 

He said:

 

“blindness in part has happened to Israel until the fullness of the Gentiles has come in.”

 

Paul did not say:

 

“The Church is now Israel.”

 

He said:

 

“And so all Israel will be saved.”

 

The issue is not difficult because Romans 11 is unclear.

 

The issue is difficult because men have become wise in their own opinion.

 

God’s Faithfulness to Israel Protects Our Confidence Too

 

There is another important truth here.

 

If God can break His promises to Israel, then what confidence do we have that He will keep His promises to us?

 

If God can swear covenants to Israel and then spiritualize them away, what prevents men from doing the same thing with the promises He has given to the Body of Christ?

 

God’s faithfulness to Israel is not a side issue.

 

It is a testimony to the character of God.

 

The same God who keeps His word to Israel is the God who keeps His word to us.

 

The same God who will fulfill His covenants with Israel is the God who has sealed us with the Holy Spirit of promise.

 

The same God who will save all Israel according to His prophetic purpose is the God who has blessed us with all spiritual blessings in heavenly places in Christ.

 

God does not need to cancel Israel to bless the Church.

God does not need to erase prophecy to reveal the mystery.

God does not need to break earthly promises to establish heavenly blessings.

 

He is wise enough, faithful enough, sovereign enough, and gracious enough to do exactly what He said.

 

Final Summary

 

Romans 11 is one of the clearest warnings Gentile believers were ever given.

 

Paul knew the danger. He knew Gentiles would be tempted to look at Israel’s fall and become arrogant. He knew they would be tempted to boast against the branches. He knew they would be tempted to think God was finished with Israel.

 

So he warned them:

 

“lest you should be wise in your own opinion.”

 

Sadly, much of Christendom ignored that warning.

 

But God has not changed His mind.

 

Israel’s blindness is in part.

Israel’s blindness is until.

Israel is still beloved for the sake of the fathers.

 

The gifts and calling of God are irrevocable.

 

God has not cast away His people whom He foreknew.

 

The Church is not Israel. The Church is the Body of Christ, revealed through the mystery given to Paul. Israel is Israel, temporarily blinded, presently fallen, but still beloved and still awaiting the fulfillment of God’s covenant promises.

 

Let God be true.

Let His Word stand.

 

And let every Gentile believer heed Paul’s warning:

 

Do not boast.

Do not be haughty.

 

Fear.

And do not be wise in your own opinion.

 

 

Read Romans 11 carefully. Paul did not tell Gentiles to replace Israel. He warned them not to boast against her.

God bless.

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© 2025 Jamie Pantastico | MesaBibleStudy.com
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