Zeal Without Knowledge: The Surprising Reason So Many Miss God - Romans 10

Let me ask you a question that might feel a little uncomfortable: Where am I today? Not where do you want to be. Not where do you hope to be next year. Where are you right now in your relationship with the Lord?

I can personally testify that the Lord has never given up on me. I can verify that if there's any struggle in my life, it's never been God's fault. It's always been me. Any present situation I find myself in — normally, I got myself there. Unless it's good stuff — then I know that's all Him.
Romans 10 ends with a heartbreaking verse. God says through the prophet Isaiah: "All day long I have stretched out My hands to a disobedient and contrary people" (Romans 10:21).
All day long. God doesn't give up easily.

But the question we have to ask ourselves is the same one Israel faced: have I been disobedient? Have I been walking contrary to God?

It's hard to answer that question because it requires correction. It requires us to step back and look honestly at our lives. But here's what gives me courage: the same song we sang is still true. Because of His love, He sent Jesus to the cross. Because of His blood, my sins are washed away. So I don't have to be afraid of looking at where I'm off — because Christ has already paid for it.

So let's walk through Romans 10 together. We're going to see four main things: the cause of Israel's rejection, the correction of their ignorance, the call to believe, and the difficulty that was expected. But don't put this off as just "Israel's story." This is your story too.

"If you confess with your mouth the Lord Jesus and believe in your heart that God raised Him from the dead, you will be saved."

Romans 10:1–4 – "Brethren, my heart's desire and prayer to God for Israel is that they may be saved. For I bear them witness that they have a zeal for God, but not according to knowledge."
Paul starts with his heart. He loves his people. He desperately wants them to be saved. But he diagnoses the problem with painful honesty: they have zeal without knowledge.
Now, zeal without knowledge is dangerous. Paul should know. His own testimony is that he had a zeal for God — and that zeal led him to kill Christians. The whole church was afraid of him. Imagine getting a call from the Holy Spirit saying, "Go get Paul and bring him back." You'd say, "No thanks. He's not coming into my house."
But here's the thing: zeal without knowledge leads us to act contrary to God's will. We want to love God. We want to follow Him. But if we're not in the Word, we'll do it according to our own whims — and end up somewhere God never intended.
On the flip side, knowledge without zeal is just as dangerous. You can know all the Scripture, have all the theology, but if your fire has died out, you're not living what you know. I love hanging out with new believers because they have that fire. I hate hanging out with old Christians who have the knowledge but lost the zeal. It's easier to give knowledge where there's zeal — but it's much harder to impart zeal where there's only knowledge.
Paul says Israel missed it because they were ignorant of God's righteousness. They tried to establish their own righteousness instead of submitting to God's. And that's the trap, isn't it? We want to earn it. We want to check boxes. We want to feel like we contributed.
But verse 4 says: "For Christ is the end of the law for righteousness to everyone who believes."
Christ is the fulfillment. The satisfaction. The completion. You don't need to add anything to what He's already finished.

Romans 10:5–8 – "But the righteousness of faith speaks in this way, 'Do not say in your heart, 'Who will ascend into heaven?' (that is, to bring Christ down from above) or, 'Who will descend into the abyss?' (that is, to bring Christ up from the dead). But what does it say? 'The word is near you, in your mouth and in your heart' (that is, the word of faith which we preach)."

This section is fascinating because Paul is doing something brilliant. He's quoting from Deuteronomy 30 — a sermon Moses gave calling Israel back to repentance. In Deuteronomy, Moses says the word is near you, in your mouth and in your heart, so that you may hear and do it.

But Paul reinterprets it through the lens of the cross. He says: you don't need to ascend into heaven to bring Christ down — He's already come. You don't need to descend into the abyss to bring Christ up from the dead — He's already risen.

What Moses said "do" — Paul replaces with believe.

That's the shift. Righteousness doesn't come by doing anymore. It comes by believing. It always came by faith — but now it's crystal clear. The law demanded performance. The gospel announces finished work.

Every religion, every cult, every man-made system has checkmarks. Pray three times a day facing Mecca. Tithe a certain percentage. Follow these rules. And even after all your "do's," no religion will confidently tell you that you have eternal life. They'll say "maybe." Maybe purgatory will be short. Maybe Allah will accept you. But you never know.

Only Christianity says you can know. The Scriptures were written so that believing in His name you may have eternal life (1 John 5:13). Why? Because Jesus did all the work. If it was up to me, I'd have no idea if I did enough. But it's not up to me. It's up to Him.

The word of faith is near you. Right now. In your mouth. In your heart. You don't have to climb to heaven. You don't have to cross an ocean. You just have to believe.

Romans 10:9–13 – "If you confess with your mouth the Lord Jesus and believe in your heart that God raised Him from the dead, you will be saved. For with the heart one believes unto righteousness, and with the mouth confession is made unto salvation."

This is the clearest gospel invitation in all of Scripture. Let me break it down for you simply.
There are three key words: confess, believe, and Lord.

First, confess. The word simply means "to agree" or "say the same thing." Confession is agreeing with God. It's saying, "God, I'm a mess. My life is a mess. This isn't the way You designed life. I've added to the brokenness. I've sinned. I've lied. I've cheated. I've done my part to make this world a mess." That's confession.

Second, believe. This means to fully place your trust in someone. You've trusted yourself. You've trusted other people. Look where that got you. Now it's time to trust God. Not for two days. Not when things are going well. Trust means relying on Him even when you don't see results — especially when you don't see results. Faith is required when things are still not right.

Third, confess that Jesus is Lord. That word "Lord" is the Greek equivalent of the Hebrew Adonai — God Himself. This isn't just saying Jesus is a prophet or a teacher or an angel. It's acknowledging Him as God. The One who created the universe. The One who died for your sins. The One who rose from the dead.

And here's the beautiful thing: this isn't a two-step process. It's not "first believe in your heart, then later confess with your mouth." Out of the abundance of the heart, the mouth speaks. The moment it's done in your heart, it should come out of your mouth.

But notice — this confession is public. It's not just a private prayer in your closet. It's sharing with your coworkers, your boss, your friends, your family. It's taking what God is doing in your heart and taking it to the streets.

I've discovered something: every time I actually take a step and share what God is doing in my life right now, I get bolder. I get reinvigorated. I feel encouraged. And then the warfare comes, and I want to stop. But in that moment, there's a refreshing — a gratitude for what God is doing.

That's why God told His people to put up stones of remembrance. Because it's hard to remember the good things when you're overwhelmed by the bad things. It's hard to see progress when the enemy keeps throwing your failures in your face. Public confession helps you remember.

Romans 10:11 says whoever believes on Him will not be put to shame. That's the promise. You might feel foolish. You might feel awkward. But you will not be put to shame.

And verse 13: "For whoever calls on the name of the Lord shall be saved."
Whoever. Not just Jews. Not just good people. Whoever. That includes you.

Romans 10:14–15 – "How then shall they call on Him in whom they have not believed? And how shall they believe in Him of whom they have not heard? And how shall they hear without a preacher? And how shall they preach unless they are sent?"

This is where God's sovereignty and our responsibility meet.

In Romans 9, Paul emphasized God's sovereign choices. But here, he makes it crystal clear: you have a job to do. You can't sit back and say, "Well, if God chose them, He'll save them without me."

Jesus said the harvest is plentiful — but He didn't say pray for the harvest. He said pray for laborers to go out into the harvest.

Let me tell you a quick story. An Indiana team came down to help us with a VBS. They asked, "How many kids signed up?" I said, "Ten." You could see the annoyance on their faces. "We drove all the way from Indiana for ten kids?"

But we do it in the park. In New York, you don't understand what that means until you see it. We show up in the park, and suddenly twenty or thirty kids appear. They're just there. But they would never have the opportunity to come unless we went.

That's the point. How will they hear unless someone goes? How will they believe unless someone speaks?

My job as a pastor is to equip you to go. According to Ephesians 4, that's the limit of my job — to equip and encourage. The Holy Spirit empowers you. But you have to surrender to that. You have to go.

Sometimes my best divine appointments weren't even me talking. I just said, "Hey, read this Scripture from my Bible." And they read the Word, and they came to faith — because it's the Word that has the power.

Romans 10:15 says: "How beautiful are the feet of those who preach the gospel of peace, who bring glad tidings of good things!"

Not beautiful mouths. Not beautiful voices. Beautiful feet — because they went.

So here's my question for you: are you going? Or are you waiting for someone else to do your job?

Romans 10:16–21 – "But they have not all obeyed the gospel. For Isaiah says, 'Lord, who has believed our report?' So then faith comes by hearing, and hearing by the word of God."

Here's something you need to know: rejection is not failure.

Paul knew that Israel would be difficult. He expected it. Isaiah knew it. The prophets knew it. And you need to know it too.

Some of us get easily put off when someone doesn't receive our testimony. We take it personally. But they're not rejecting you — they're rejecting the Word of God. That's between them and the Lord. You share with joy and peace, and you leave the results to Him.
And here's a wild thing: sometimes the person you're talking to is totally hostile, but someone else is overhearing the conversation. Someone else is being ministered to. You don't always know. The Word is a seed that gets scattered. You don't know which soil it will fall on.
So don't be discouraged by the results you think you see. Your job is to go and speak. God's job is to save.

Verse 17 is one of the most famous verses in the Bible: "So then faith comes by hearing, and hearing by the word of God."

Faith doesn't come from arguments. It doesn't come from great preaching. It comes from hearing God's Word. That's why you need to share it. That's why you need to read it. That's why you need to put it in front of people.

Verse 18 says they have heard — their sound has gone out to all the earth. In other words, God made sure the message got out. He did His part. Now the question is: have you done yours?

Even in the Old Testament, God told Moses that He would provoke Israel to jealousy by a nation that is not a nation — the Gentiles. That's us. We're the foolish nation. And yet we have peace with God. That should make someone jealous.

But here's the beautiful ending. Verse 21: "All day long I have stretched out My hands to a disobedient and contrary people."

God's not done with anyone. Not Israel. Not you. Not your prodigal child. Not your stubborn spouse. All day long, His hands are stretched out.

Will you come back? Will you stop being disobedient? Will you stop walking contrary? Will you finally agree with Him?

Romans 10:2 - Zeal without knowledge is dangerous. Love God, but know His Word.
Romans 10:4 - Christ is the end of the law. You don't add anything to His finished work.
Romans 10:8 - The word is near you. You don't need a vision or a sign — you have Scripture.
Romans 10:9 - Confess Jesus as Lord and believe God raised Him. That's it.
Romans 10:13 - Whoever calls on the name of the Lord will be saved — no exceptions.
Romans 10:14 - People can't believe if they haven't heard. They can't hear if no one goes.
Romans 10:17 - Faith comes by hearing God's Word. Keep sharing it.
Romans 10:21 - God stretches out His hands all day long. He never gives up on you.

Maybe you've been stubborn. You've been walking contrary to God. You've had zeal without knowledge — or knowledge without zeal. You've been trying to establish your own righteousness instead of submitting to His.

Here's the good news: it's not too late. All day long, His hands are stretched out to you.
You don't need to ascend to heaven. You don't need to cross the ocean. The word is near you — in your mouth and in your heart.

Just believe. Confess with your mouth that Jesus is Lord. Believe in your heart that God raised Him from the dead. And you will be saved.

It's not complicated. It's not a mystery. It's the word of faith that we preach.

Let's pray together:
Father, we come before You. We confess that we have been stubborn. We've walked contrary to You. We've had zeal without knowledge and knowledge without zeal. Forgive us.
Today, we agree with You. We are a mess. We've contributed to the brokenness of this world. We've sinned. But we believe that Jesus died for those sins. We confess with our mouths that Jesus is Lord — Adonai, God Himself. We believe in our hearts that You raised Him from the dead.

Thank You that whoever calls on the name of the Lord will be saved. We call on Your name today. Save us. Change us. Send us.

And for those of us who have wandered — we come back. Your hands are still stretched out. We're not too far gone. In Jesus' name, Amen.

They're two sides of the same coin. Confession is the outward agreement; belief is the inward trust. One without the other isn't saving faith. True belief always leads to confession.

Yes. "Whoever" means whoever. There's no sin too great, no past too dark. If you call on the name of the Lord, you will be saved.

Faith isn't something you manufacture. It's produced by hearing God's Word. That's why reading the Bible, listening to preaching, and sharing Scripture with others is so important.

No. Your responsibility is to share it faithfully. Their response is between them and God. Don't carry guilt for someone else's rejection.

Ask yourself: do I love God but rarely read His Word? Do I serve passionately but ignore sound doctrine? Zeal is good — but it must be guided by truth.

 Engage in prayer and surround yourself with a supportive faith community to help you focus on His promises.