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Ankerberg Show

Dr. John Ankerberg

Ankerberg Show is a radio program hosted by Dr. John Ankerberg, offering biblical perspective and encouragement for listeners seeking to grow in faith. Episodes often explore key passages of the Bible while reflecting on themes such as faith, hope, forgiveness, leadership, and perseverance. The program encourages thoughtful reflection on God’s Word and how it guides believers through both ordinary and difficult moments. Each episode provides encouragement rooted in the Bible for listeners looking to deepen their faith and understanding.

Ep. 3 | How Can You Be Sure that You Will Spend Eternity with God?

August 19, 2026
00:00

What is Justification?: Understanding the importance of the doctrine of salvation. If the righteousness of Christ, is applied to me legally the moment I put my faith in Him, does that mean that I can accept Christ and then live like the devil?”

--Guest (Male)-- Welcome to the John Ankerberg Show Classics edition. For decades, we've been privileged to host esteemed scholars discussing a wide range of topics from apologetics and science to biblical prophecy and beyond.

Join us as we revisit these timeless conversations and make them accessible to you wherever you are.

--Dr. John Ankerberg-- Welcome to our program. We're talking about how you can be sure that you will spend eternity with God. Isn't that a great topic? Isn't that something that you really want to know? Now, there's many facets of that question and today we're going to hit another one of those facets.

When you ask people, are you going to go to heaven, people most of the time will say, yes, or I hope that I will. And if you were to ask them the next question of how good does a person have to be to get into heaven, you get some interesting answers. In fact, Irwin, one of your staff members did a survey, one of our Christian booksellers association conventions, found out an interesting answer. Tell us about it.

--Guest (Male)-- What he did is, he went from booth to booth. Now, these are the theologians who write the books that the rest of us are supposed to be reading. And he asked a question, how good do you have to be to get into heaven? And the results were surprising. Many people said, well, I hope not too good or I won't make it. Other people said, well, Christians aren't perfect, they're just forgiven.

Of about 10 or 12 people, only one gave a biblical answer. Namely, that you have to be as perfect as God. Obviously. Now, John, listening today, there may be those who are Protestants, they may be Catholics. But Protestantism and Catholicism has at least agreed on one point, actually many points, but they've all agreed that of course you have to be as perfect as God to get into heaven.

How can a righteous God accept sinners unless they are as perfect as he himself is? It only makes sense. It's not only logical, it's also biblical.

--Dr. John Ankerberg-- The problem is if you actually think about that and you were to say, am I perfect?

--Guest (Male)-- You can imagine that there are people listening to this program who are ready to turn it off. They say this is ridiculous, because who has that kind of perfection? Who is perfect? And could I say that if there's a man who's listening, who thinks that he is perfect, all that he has to do is to check with his wife and she'll help him with his theology and realize that he's in deep trouble. All of us are in deep trouble because we are so far from perfection.

So, I need to tell the story about a man who wrestled with this, and his name was Martin Luther. Now, some people are turned off because they know, they say, well, Martin Luther was so anti-Catholic, et cetera. Regardless of what people think of Luther, they have to hear this part. Here's a man who enrolls in the monastery in Erfurt with the desire, basically, to save his soul.

What he wants to do, thank God that at least medieval theology taught that you had to be as perfect as God to get into heaven. So what he wants to do is to is to be strive to become perfect enough for God to accept him. He goes through all of the disciplines of the church. He slept on a rough floor without blankets to mortify the flesh. He went begging, he accepted poverty. He he did all that he possibly could.

Sometimes he fasted so long that people thought that perhaps he would die. Now, in addition to that side, the sacraments of the church were of some solace to him, particularly confession. The problem is he would confess his sins for up to six hours at a time until Staupitz his confessor, you remember, became so exasperated, he said, Luther, the next time you come here, let it be for some big sin, not all these little peccadillos, not all these little sins.

But John Luther was a better theologian than his contemporaries, because he understood something that our generation has forgotten. It doesn't matter whether the sin is big or little. The smallest smidgen of sin will separate you from God forever. So he wanted to confess all of his sins, but he ran into a problem.

Sins in order to be confessed, had to be remembered. If he wouldn't remember them or couldn't remember them, he couldn't confess them, so they wouldn't be forgiven. Furthermore, there may be some things that he did that God regarded as sin, but he didn't see as sin. And then there was another problem. It was like mopping the floor with a faucet running, because tomorrow was another day, even if you confessed all of your sins, tomorrow there would be more sins that needed to be confessed and it went on endlessly.

He struggled with what is known in German as Anfechtungen. That's an existential despair of soul and helplessness. Can I tell you the rest of the story?

--Dr. John Ankerberg-- Please.

--Guest (Male)-- Because it doesn't end there thankfully. What he does is, he eventually becomes a teacher in the little town of Wittenberg and Staupitz visits him there because Luther is teaching ethics and philosophy. And Staupitz says, why don't you teach theology? It might help your soul, because he's going through this restlessness. I mean, he's been to Rome and he never found peace there.

And Luther said, if I begin to teach the Bible, it might be the death of me. He didn't realize that in a sense it was the death of him. So he begins lecturing on the Psalms. He comes to Psalm 22. My God, my God, why hast thou forsaken me? Now says Luther, Jesus experienced what I'm experiencing. This sense of alienation from God.

And it begins to dawn, he did it for me. But the truth didn't really light upon his soul yet until he was teaching the book of Romans and the famous verse in chapter 1, verse 16, I am not ashamed of the gospel, Paul says, but in verse 17, Paul says, for in the gospel a righteousness from God is revealed, a righteousness that is by faith from first to last, just as it is written, the righteous will live by faith.

Notice, a righteousness from God is revealed. Luther read that and trembled. His problem was the righteousness of God. If God wasn't so righteous, he'd be easier to appease, right? But he began to ponder this text until he saw a connection and he realized something. Righteousness is an attribute of God, but it's also a gift of God to those who believe.

There is a righteousness that God confers upon us that is his own righteousness, that is credited to our account by faith in Christ. No wonder Luther said that when he saw this, he was reborn and it was as if he entered into the gates of paradise, because now he finally was able to meet God's requirements. Because Jesus would meet all of God's requirements for him and the perfection that he sought through the sacraments and through good works, all of which of course fell by the wayside because nobody can attain the righteousness of God would now be given to him as a gift.

What a revolutionary idea, a biblical idea, but incredibly revolutionary. Because what Luther saw is that all the human righteousness we could possibly do, all added together can never attain the righteousness of God. And so, and so just like you can add a billion bananas and never get an orange, in the very same way all of our righteousness can never attain God's righteousness. If we receive God's righteousness, it has to be a gift.

Now, John, here's the best part, and I hope everyone who's listening and watching this grasps this, because this now is the heart of the gospel. The Bible says in 2 Corinthians, chapter 5, it says, for he that is God made Christ to be sin for us, the one who knew no sin, that we might be made the righteousness of God in him. So what you have is our sin is credited to Christ's account.

Personally, he is sinless, but legally he becomes guilty of adultery and extortion and child abuse and alcoholism and self-righteousness and all of the sins that God hates. Our sin is credited to him. His righteousness and purity is credited to us, so that he gets what he doesn't deserve, namely our sin. We get what we don't deserve, namely his righteousness. And that is the gospel.

Justification by faith alone. God declares us, it's a declaration in heaven. God declares us to be as righteous as Christ himself is, because the righteousness of God is credited to sinners, and legally in God's sight, we are as perfect as God himself is. And without that, John, nobody can be saved without the righteousness of God credited to his account. That is the good news of the gospel.

--Dr. John Ankerberg-- Speak to how a person gets that righteousness that Luther got when he realized what scripture was saying.

--Guest (Male)-- First of all, it is a recognition that our works contribute nothing to salvation. Because I've already emphasized, the only righteousness that God accepts is his own. It's a righteousness of which we have none. All of our good works are tainted. Even our righteousness is as filthy rags, it says in the book of Isaiah. And in the New Testament, all have sinned and come short of the glory of God.

Yes, some have sinned worse than others, no doubt about it, but all have sinned. And so what happens is, Jesus becomes for us now everything that we have sought. 24 hours a day, God demands perfection and holiness from me if I'm to be his child and to be in fellowship with him. 24 hours a day, Jesus supplies what God demands.

--Dr. John Ankerberg-- Isn't that wonderful?

--Guest (Male)-- It's fantastic. I mean.

--Dr. John Ankerberg-- You know, you talk about something I'd die for.

--Guest (Male)-- There are not a whole lot of things I'd die for, but I'd die for what I'm telling you right now. Because it's affected my life, it's changed my life and given me and it isn't something that you experience, you know, just at conversion. It's something that invigorates me every day. That before the throne, my surety stands, as the hymn writer says, my name is written on his hands.

To think that I am already in heaven legally because it says that we have been raised with Jesus Christ, we have been seated with Jesus Christ, and Jesus represents me now to the Father. And you know what that means? That means at death, there's no hassle at the border. Because because, you see, we're already legally in heaven. One of the first doctrines that Luther gave up when he understood this was purgatory.

Because purgatory was based on the notion that nobody dies righteous enough to get into heaven. Now, they understood that you had to be perfect to get into heaven. Thank God that medieval theology understood that which our generation has forgotten. And the way in which you the way in which you get into heaven, you see, is you die imperfect, and you're in purgatory where you are purged in these fires and so forth.

Nobody knows how long, but eventually, God says, now you're perfect, now you can come in. What Luther understood was this, that if the righteousness of God is applied to me in this life, I can go from this life directly into heaven and be presented into the presence of God as perfect as Christ himself is. Because I'm saved completely on the basis of the merit of Jesus, and not my own righteousness.

That is the good news of the gospel of Jesus Christ.

--Dr. John Ankerberg-- And it's great news and it has fantastic implications, and we're going to take a break and we come back, we're going to talk about those implications. It is so fantastic that what it means that I can know for sure that I'm saved, and I can know eternally that I'm secure in being saved. And I want you to tell us all why when we come right back.

--Dr. John Ankerberg-- All right, we're back. We're talking with Dr. Erwin Lutzer, pastor of Moody Memorial Church in Chicago, and we're talking about justification by faith alone. We're talking about what Luther discovered in the scriptures that are so pertinent to you and to me today. Irwin, I've got some follow-up questions on what you were saying, and that is, number one, some folks would say, look, if what you're saying, the righteousness of Christ, his track record is applied to me legally, the moment I put my faith in him.

Does that mean that I can accept Christ and then live like the devil?

--Guest (Male)-- You know, I'd love to hear people ask that question, and I'll tell you why. First of all, that the only person that would ever ask that question almost always is someone who has never accepted the gospel. You know, and the reason is because they don't understand its implications. You know, the Apostle Paul in Romans, when he was explaining the gospel, he knew that the unbeliever reading what he was writing would conclude that, and that's why the Apostle Paul says, well, shall we continue in sin then that grace may abound?

You remember the Apostle Paul says, because the natural man hearing the gospel is going to think, what a deal. I believe in Jesus, I live like the devil, I get the best of both worlds. The part that is missing is an understanding of what happens. We are not merely declared righteous in heaven by God, which is justification. At the same time, and I do believe that our next program is going to be all devoted to this topic.

At the very same time, we are born again of the Spirit, which means that God gives us a whole new set of desires and new set of aspirations, a a desire to serve him, and we become different people. If any man is in Christ, he is a new creation. The old has passed away and the new has come. So there's that, and if we as children of God, think that we can live like the world and go back to our old sins.

God will work with us, God will discipline us. God will work in our hearts. He won't let us get by, because his desire is that the sins of the past fall away and we walk in newness of life.

--Dr. John Ankerberg-- Flip the coin. The person that says, look, I need to make a promise to God. I'm going to serve him as best I can. They're sincere. They haven't really understood the gospel, and people that are using that as an invitation. I want you to come forward. I want you to promise that you're going to serve Christ forever. Guy says, look, if I'm really honest, I'd like to, but man, I can't tell you about tomorrow.

How does a person ever get secure in this salvation?

--Guest (Male)-- That's an excellent question. I remember an evangelist saying one time, why don't you come forward and promise that you're going to follow Christ? Promise that you're going to follow Christ? You and I, John, have known Christ for years and we struggle following him. Can you imagine somebody out there saying, oh, I'm going to follow Jesus? That's not the gospel.

When you come to Jesus Christ, you don't come making a promise that you're going to follow him. You don't come to promise anything. You come to receive something. Like the hymn says, nothing in my hands I bring, simply to thy cross I cling. So true salvation means that I give up all attempts even to promise God that I'm going to do A, B, C, or D.

It means that I come to God with all of my need, with all of my sin, unchanged, but I come to put my faith in somebody who can save me and give me the righteousness I need to stand in the presence of a holy God. And it is that simplicity of faith of transfer of trust, not Christ and these sacraments over here, Christ and my good works, Christ and this.

The more beautiful we see Jesus Christ and the truth of the gospel and what he did for us on the cross, the greater faith is inspired in our heart and assurance comes by knowing that Jesus Christ paid it all. I often say this, and I will be saying it again in another segment because we're going to be talking about this business of assurance and doubt. But let me say it here.

If you believe that when Jesus died on the cross, he did all that ever will be necessary for you to stand in God's presence, and you embrace that for yourself, you will know that you are saved. Why? Because it does not rest on your merit, but 100% on the merit of Jesus. See, John, if I think that salvation is 95% of God, but I've got this 5% over here, how can I have assurance?

I can't trust my 5% of the equation. When I see that Jesus paid it all and said, it is finished, when I see the wonder of what he did and the completeness for those who believe, and I trust him, I am received in God's presence as if I were him. And that's the beauty of the gospel.

--Dr. John Ankerberg-- Let me test grace with you. You got for people that are listening before you were saved, some of them are trying to add their good works to get saved. But then the person that says, no, it's a totally a gift and I'm in. But I got tomorrow. What if I truly believe in Christ and I sin tomorrow? Do I have to contribute at that point? Before, after, where do my works come in?

--Guest (Male)-- Tell me why I'm eternally secure. First of all, let's say that, okay, you accept Christ today and you sin tomorrow. In fact, maybe you sin by this evening if you accept him today, because all of us sin. I mean, we sin, okay, in thought, in word, often indeed. The simple fact is you confess your sin, and that confession is needed to maintain fellowship.

By the way, this is a good point to to make, John. Luther was not saved in the monastery in Erfurt when he confessed his sins six hours at a time. There are some people confessing their sins regularly in churches today who are not saved. You don't get saved through the confession of your sins. You get saved by receiving Jesus Christ as your sin bearer, the one whom you trust to reconcile you to God.

That's how you get saved. But having been saved, we confess our sins. I confessed my sins this morning. So that's a part of the Christian life. To confess means that we agree with God. We agree with God that we have sinned, we agree with him that he has a right to take this sin out of our lives, and therefore, just like I have to confess to my parents as a child, so that we can be reconciled, reconciled, in the very same way Christians do that.

But it's not in order to be saved again. I was still my father's child even when I was disobedient, even though I had to confess my sins to be reconciled in terms of fellowship. Now, assurance then comes when we understand that Jesus Christ by one act, and we can turn to the book of Hebrews here if we need to, chapter 10, it says, by one act, Jesus has perfected forever those who have been sanctified, those who trust him.

And what Luther needed was one act that would take away all of his sin, reconcile him to God, and then he would have to, and I'm sure he did, continually confess his sin to maintain fellowship, but he didn't have to be saved all over again. Because with that kind of a theology, nobody can have any assurance of salvation. And so then as I mentioned earlier, God disciplines us if we are disobedient, but we have that deep down settled assurance and we're going to be talking about this in more detail because some other ideas come to mind that we don't want to go into detail here.

But we have that deep settled assurance that lets us know that we are God's child and we are God's child forever.

--Dr. John Ankerberg-- Let's probe grace one step further, and that's for the person that says, Irwin, but you don't know me. I'm a big sinner. You name the sins, I've done them. What you're saying sounds too good to be true. Is it really that true? Illustrate.

--Guest (Male)-- Because we're on the radio, I received a letter from a prisoner who said, I have raped four women. And he said, can I be forgiven? Now, you know, my natural instincts would say, you deserve hell. And he does, but so do you, John, and so do I. So I wrote back and I said to him, I want you to visualize two trails.

One trail is really ugly. It's got all kinds of ruts in it and you know, it's just terrible to look at. The other trail is very beautiful with some flowers and it's well taken care of. And then I said, let's suppose that 10 or 15 inches of snow comes along and covers both trails. Can you tell the difference? No, all trails are equally covered.

Isn't it wonderful to know, the Bible even says in the Old Testament, Come now, let us reason together, says the Lord. Though your sins be as scarlet, they shall be as white as snow. Though they be red like crimson, they shall be as wool. And if we could say that the righteousness of Jesus Christ is likened unto snow, using the illustration, the snow covers that ugly trail just as well as it covers the neat trail.

And no matter whose listening today, whether it is a prisoner who's committed crimes, a rapist, a thief, a murderer. No matter who is listening today, they receive the same gift of righteousness when they trust Christ as savior as you did, John, even though you were born into a fine Christian home and so was I, and thankfully we were spared ugly crimes and sins. But the simple fact is, we all need the righteousness of God, and it is given to the vilest of sinners.

You know, that song, it really is true, the vilest of sinners who truly believes that moment from God a pardon receives, all because of Jesus. That's the wonder of the gospel.

--Dr. John Ankerberg-- For the person that wants to trust Christ today, doesn't want to wait for next week's program, would you say a prayer that they could follow along and they could transfer their trust from themself to Christ?

--Guest (Male)-- Yep. Our Father, today we want to thank you for the beauty of the gospel. We thank you that it gives hope to the best of people and gives hope to the worst of people. We thank you that you had only one plan for both groups, because all have sinned and come short of the glory of God. I want to pray today for those who have been listening.

Those who for the first time have understood that they can be saved thanks to Jesus. And now, my dear friend, you can pray a prayer like this. God, I know that I'm a sinner. I know I must receive Christ. At this moment, I trust Jesus as my sin bearer. I receive his righteousness as mine. Thank you for this precious gift in Jesus name. Amen.

--Guest (Male)-- Now, stay tuned as we revisit these timeless discussions and join us in celebrating the wealth of knowledge that continues to encourage and educate. To learn more, please visit JAshow.org. That's JAshow.org or subscribe to us on YouTube.

This transcript is provided as a written companion to the original message and may contain inaccuracies or transcription errors. For complete context and clarity, please refer to the original audio recording. Time-sensitive references or promotional details may be outdated. This material is intended for personal use and informational purposes only.

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About Ankerberg Show

The John Ankerberg Show is a daily half-hour radio program and a weekly half-hour internationally syndicated television program using informal debates between representatives of differing belief systems, and documentary-styled presentations on major issues in society to which the historic Christian faith has something of consequence to say. The programs are designed to appeal to a thinking audience of Christians and non-Christians alike.


About Dr. John Ankerberg

Dr. John Ankerberg is host and moderator of the nationally broadcast John Ankerberg Show television and radio program. Dr. Ankerberg is an internationally known author, evangelist and apologist. He and his wife, Darlene, have one daughter, Michelle.

Dr. John F. Ankerberg in his writings and on his television program presents contemporary spiritual issues and defends biblical Christian answers. He believes that Christianity can not only stand its ground in the arena of the world's ideas but that Christianity alone is fully true. He has spoken to audiences on more than 78 American college and university campuses as well as in crusades in major cities of Africa, Asia, South America, and the Islands of the Caribbean. He is a member of the Board of Directors of the National Religious Broadcasters.

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