Trusting In Grace

There Is Only One Gospel

Why Salvation Is by Grace Alone Through Faith Alone in Christ Alone

This is one of the longer articles on Trusting In Grace, but it addresses the single most important question anyone will ever answer: What saves a man? If you’ve ever wondered whether salvation depends on faith alone or faith plus works, this article will walk carefully through the Scriptures. Feel free to use the table of contents below to jump to any section that interests you, or read it from beginning to end to see how the entire biblical case fits together.

Sections:

Introduction: Why the Gospel Matters

There is no more important question a person will ever answer than this:

What must I do to be saved?

Everything else in life is temporary. Careers come to an end. Wealth comes and goes and eventually disappears. Our health fades. As you mature, you realize that even life itself is brief. But where a person spends eternity is determined by how he answers that one question.

If we are wrong about the gospel, then nothing else ultimately matters.

Yet despite its central importance, few subjects generate more confusion than the gospel itself. Ask ten people what it means to be saved, and you will likely hear ten different answers. Some point to baptism. Others emphasize church membership, faithful obedience, repentance from every sin, perseverance, sacraments, or a life of good works. Many sincerely believe that while faith in Christ is necessary, a large majority believe it must be accompanied—or maintained—by human performance in order to secure eternal life.

That raises an unavoidable question: What did the apostles preach?

The New Testament does not leave us guessing. When the Apostle Paul wrote to the church at Corinth, he did not describe the gospel in vague or symbolic terms. He defined it with remarkable clarity:

“Moreover, brethren, I declare unto you the gospel which I preached unto you, which also ye have received, and wherein ye stand; By which also ye are saved… For I delivered unto you first of all that which I also received, how that Christ died for our sins according to the scriptures; And that he was buried, and that he rose again the third day according to the scriptures.” —1 Corinthians 15:1–4 (KJV)

According to Paul, the gospel is not a religious system, a sacramental process, or a program of moral improvement. It is the historical, finished work of Jesus Christ: His substitutionary death for our sins, His burial, and His bodily resurrection on the third day. That is the good news by which sinners are saved.

This issue is far more than an academic theological debate. The Apostle Paul regarded the purity of the gospel as a matter of eternal life and death. When false teachers sought to add human works to the grace of God, Paul did not commend their sincerity or seek a compromise. He confronted them directly because he understood that changing the gospel—even by adding religious requirements to it—produced an entirely different message, one incapable of saving.

That same confusion continues today. Across denominations and traditions, countless people have come to believe that salvation depends, at least in part, upon their own performance. Faith becomes only the beginning, while assurance rests upon continued obedience, religious observance, or personal merit. The result is a gospel that subtly shifts the believer’s confidence away from Christ’s finished work and back onto himself.

The purpose of this article is to clear away the fog of confusion and to examine what the Scriptures actually teach.

What is the gospel?

What saves a man?

What role, if any, do good works play in salvation?

And why did Paul react so forcefully whenever anyone attempted to add them to the message of grace?

Those questions deserve to be answered from Scripture alone, because there is only one gospel that possesses the power to save.

How We Lost the Simplicity of the Gospel

The corruption of the gospel did not begin centuries after the apostles. It began during their own lifetime.

Almost as soon as the gospel of God’s grace began spreading throughout the Roman Empire, false teachers appeared insisting that faith in Christ alone was not enough. The first major assault came from a group commonly known as the Judaizers.

They professed faith in Jesus as the Messiah, but they insisted that Gentile believers must also submit to circumcision and keep the Law of Moses in order to be fully accepted by God.

It sounded reasonable. After all, they were not denying Christ. They were simply adding something to Him.

Paul recognized the danger immediately.

The moment anything is added to the finished work of Christ as a requirement for salvation, grace ceases to be grace. Salvation is no longer received as a gift but is earned, at least in part, through human effort. That was why Paul reacted so forcefully in his letter to the Galatians. The issue was never merely circumcision. Circumcision was simply the vehicle through which a far more dangerous error was introduced—the belief that Christ’s work alone was not enough.

That same temptation has followed the Church throughout its history.

As the centuries passed, the simplicity of the gospel gradually became intertwined with religious systems, sacramental observances, church authority, and human performance. The focus slowly shifted from what Christ had accomplished on the cross to what man must continually do in response. Instead of resting in the finished work of Christ, many believers were taught to place their assurance in their own obedience, perseverance, religious duties, or participation in church ordinances.

Although the Reformers rightly recovered the biblical doctrine of justification by faith, the struggle did not end there. Even today, many churches sincerely affirm salvation by grace while simultaneously teaching that believers must contribute something to obtain it, prove it, or maintain it. The terminology may differ from one denomination to another, but the underlying principle remains remarkably similar: Christ has done His part; now you must do yours.

That is where the confusion begins.

The New Testament absolutely teaches that Christians should obey God, pursue holiness, do good works, and grow in their faith. Those things are essential to the Christian life.

But they answer a different question.

They do not answer: “What must I do to be saved?”

They answer: “Now that I am saved, how should I live?”

Those are two very different questions, yet they are often treated as though they were the same.

The Bible teaches that good works are the result of salvation, not the requirement for salvation. They are the evidence that God is at work in a believer’s life, not the payment that earns God’s acceptance.

When those two truths become blurred, people begin to look to themselves rather than to Christ. Rather than resting in His finished work, they wonder whether they have obeyed enough, repented enough, persevered enough, or done enough to remain in God’s favor.

That is precisely the confusion Paul spent his ministry correcting.

The gospel remains as simple today as it was when Paul first preached it. Sinners are not saved because they improve themselves, perform religious duties, or persevere well enough to earn God’s acceptance. They are saved because Jesus Christ has already accomplished everything necessary for their redemption through His death, burial, and resurrection.

That simple truth was worth defending in the first century, and it is no less worth defending today.

What the Gospel Actually Is

If we are going to answer the question, “What saves a man?”, then we must begin where the Apostle Paul began.

When writing to the church at Corinth, Paul did not leave the gospel open to interpretation. He defined it in unmistakable terms:

“Moreover, brethren, I declare unto you the gospel which I preached unto you, which also ye have received, and wherein ye stand; By which also ye are saved… For I delivered unto you first of all that which I also received, how that Christ died for our sins according to the scriptures; And that he was buried, and that he rose again the third day according to the scriptures.” —1 Corinthians 15:1–4 (KJV)

Notice the list of what Paul includes—and what he does not.

  • It is not baptism.
  • It is not turning over a new leaf.
  • It is not keeping the Ten Commandments.
  • It is not obedience.
  • It is not perseverance to the end.
  • It is not religious rituals.
  • It is not good works.
  • It is not personal merit.

The gospel is the finished work of Jesus Christ: His death for our sins, His burial, and His bodily resurrection.

Everything else flows from that.

When Jesus Christ went to the cross, He did not merely provide an example of sacrificial love. He became our substitute. The sinless Son of God willingly bore the judgment that we deserved. The wrath of God against sin was poured out upon Him, satisfying the justice of God completely.

That is why Paul could write:

“For he hath made him to be sin for us, who knew no sin; that we might be made the righteousness of God in him.” —2 Corinthians 5:21 (KJV)

This is one of the greatest exchanges in all of Scripture. Our sin was placed upon Christ, and His perfect righteousness is credited to everyone who believes.

There is nothing that remains to be paid or earned.

The debt has been canceled.

When a sinner believes the gospel, God immediately declares him righteous—not because he has become righteous in himself, but because Christ’s righteousness has been credited to his account.

Paul explains this beautifully in Romans:

“But to him that worketh not, but believeth on him that justifieth the ungodly, his faith is counted for righteousness. Even as David also describeth the blessedness of the man, unto whom God imputeth righteousness without works.” —Romans 4:5–6 (KJV)

Notice the remarkable words Paul uses: “him that worketh not.”

Salvation is not offered to the one who earns God’s favor. It is given to the one who believes in the God who justifies the ungodly.

That is grace.

Paul repeats the same truth elsewhere:

“For by grace are ye saved through faith; and that not of yourselves: it is the gift of God: Not of works, lest any man should boast.”
—Ephesians 2:8–9 (KJV)

And Again:

“Not by works of righteousness which we have done, but according to his mercy he saved us, by the washing of regeneration, and renewing of the Holy Ghost.”
—Titus 3:5 (KJV)

The Bible leaves no room for human boasting. Salvation is entirely God’s work from beginning to end. It is received by grace through faith in Jesus Christ alone.

This does not diminish the importance of obedience or holy living. Those things are the natural fruit of a transformed life. But they are never presented in Scripture as part of the gospel itself or as the basis upon which God declares a sinner righteous.

The gospel is astonishingly simple because it rests entirely upon what Christ has already accomplished.

  1. Christ died for our sins.
  2. Christ was Buried
  3. Christ rose again the third day.

That is the gospel by which sinners are saved.

Why Paul Fought So Fiercely for It

If salvation is truly by grace through faith apart from works, then it becomes easier to understand why the Apostle Paul reacted so strongly whenever anyone attempted to add human performance to the gospel.

For Paul, this was not a minor theological disagreement. It was not a debate over denominational distinctives or secondary doctrine. It was a matter of eternal life and death.

That is why his words to the churches in Galatia are among the strongest found anywhere in the New Testament:

“I marvel that ye are so soon removed from him that called you into the grace of Christ unto another gospel: Which is not another; but there be some that trouble you, and would pervert the gospel of Christ. But though we, or an angel from heaven, preach any other gospel unto you than that which we have preached unto you, let him be accursed.” —Galatians 1:6–8 (KJV)

Notice that Paul does not describe it as another version of the gospel.

He says it is a perversion of the gospel.

The false teachers in Galatia were not denying the death, burial, or resurrection of Christ. They were adding circumcision and obedience to the Mosaic Law as requirements for salvation.

From a human perspective, that may not seem like a significant change but to Paul, it changed everything.

The moment human works become part of the basis for salvation, Christ’s finished work is no longer sufficient. Grace is no longer grace, and the gospel ceases to be the gospel.

That is why Paul refused to compromise, even for a moment.

Speaking of the Judaizers, he wrote:

“To whom we gave place by subjection, no, not for an hour; that the truth of the gospel might continue with you.”
—Galatians 2:5 (KJV)

Not for an hour.

Paul understood that truth and error cannot be blended together. The purity of the gospel had to be protected because souls depended upon it.

His concern was never simply winning an argument. It was rescuing people from a false hope.

Throughout his ministry, Paul repeatedly warned believers to identify and avoid those who corrupted sound doctrine.

“Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.”
—Romans 16:17 (KJV)

He wrote of false teachers:

“Whose mouths must be stopped, who subvert whole houses, teaching things which they ought not…” —Titus 1:11 (KJV)

These are not the words of a man who viewed the gospel as one theological opinion among many. Paul believed that corrupting the gospel placed people on a path toward eternal destruction.

Ironically, Paul himself became the target of relentless persecution because he preached salvation by grace apart from the Law.

He wrote:

“And I, brethren, if I yet preach circumcision, why do I yet suffer persecution? then is the offence of the cross ceased.” —Galatians 5:11 (KJV)

The cross is offensive because it strips mankind of every reason to boast.

It declares that our own righteousness can never save us.

It declares that no amount of religious effort can erase our guilt.

It declares that Christ accomplished everything necessary for our salvation, leaving nothing for us to add.

Human pride resists that message.

Religion often resists that message.

People naturally want to contribute something—to earn God’s acceptance, prove their worthiness, or secure their standing before Him.

But the gospel leaves no room for boasting.

It points entirely to Christ.

That is why Paul fought so fiercely to defend it. He understood that a gospel mixed with human merit is no gospel at all. If salvation depends, even in part, upon our performance, then Christ’s finished work is no longer sufficient, and grace is no longer grace.

The stakes could not have been higher then, and they have not changed today.

The Passages Commonly Used to Teach Salvation by Works

Whenever salvation by grace through faith alone is presented, the same passages of Scripture are often raised in response. At first glance, some of these verses can appear to teach that eternal life depends upon human performance.

However, Scripture does not contradict itself.

The Apostle Paul repeatedly states that salvation is “not of works“ (Ephesians 2:8–9), “to him that worketh not“ (Romans 4:5), and “not by works of righteousness which we have done“ (Titus 3:5). Therefore, any passage that appears to teach otherwise must be understood within its immediate context and in harmony with the rest of God’s Word.

Let’s consider a few of the passages most frequently cited.

James 2: Faith Without Works Is Dead

James is often quoted as proof that works are necessary for salvation. Yet James and Paul are answering two entirely different questions.

Paul asks, “How is a sinner declared righteous before God?”

His answer is: By faith apart from works.

James asks, “How can genuine faith be recognized?”

His answer is: By the works it produces.

James is not explaining how to obtain salvation. He is explaining how living faith reveals itself. A faith that never produces any evidence is a dead, useless profession. Good works do not create saving faith; they demonstrate that genuine faith already exists.

There is no contradiction. Paul discusses the root of salvation. James discusses its fruit.

Matthew 7:21–23 — “Lord, Lord”

Jesus warned: “Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven…”

Many assume this passage teaches that people are rejected because they failed to do enough good works. The opposite is true.

Notice the basis of their confidence:

“Have we not prophesied in thy name? and in thy name have cast out devils? and in thy name done many wonderful works?”

Their appeal is built entirely upon what they had done.

Jesus does not respond by saying they should have worked harder.

He simply says: “I never knew you.”

The issue is not insufficient works. It is the absence of a saving relationship with Christ.

Philippians 2:12

Paul writes: “Work out your own salvation with fear and trembling.”

He does not say work for your salvation.

He says work out what God has already worked within you.

The very next verse explains why:

“For it is God which worketh in you both to will and to do of his good pleasure.” (Philippians 2:13)

The Christian life is the outward expression of an inward transformation already accomplished by God.

Matthew 24:13

Jesus said: “He that shall endure unto the end, the same shall be saved.”

This verse is frequently applied to Church Age salvation.

However, the context is Jesus’ Olivet Discourse, where He is describing the future Tribulation and the events leading to His Second Coming.

The passage is not explaining how sinners receive eternal life. It is describing those who remain faithful through an unprecedented period of persecution while awaiting the Messiah’s return.

Context determines meaning.

Other passages are frequently cited as well, including Hebrews 6, Hebrews 10, Matthew 25, and the messages to the seven churches in Revelation 2–3. These texts deserve careful study, but like the passages already discussed, when interpreted within their immediate context and in harmony with the clear teaching of Scripture, none of them redefine the gospel or teach that human works must be added to Christ’s finished work in order to obtain or maintain salvation.

The Difference Between Root and Fruit

Most passages cited in support of salvation by works have one thing in common.

They describe the life of someone who has already believed, the evidence of genuine faith, or the circumstances surrounding discipleship and faithful living.

They are not redefining the gospel.

The New Testament consistently distinguishes between the basis of salvation and the evidence of salvation.

Faith alone saves.

But the faith that saves never remains alone.

Good works follow salvation because the Holy Spirit is transforming the believer. They are the fruit of God’s saving work, not the cause of it.

When that distinction is maintained, the apparent contradictions disappear, and the New Testament speaks with one unified voice.

Salvation is received by grace through faith in Jesus Christ alone. Good works are the grateful response of those who have already been made alive in Him.

The Proper Place of Works

By this point, an honest question naturally arises:

If salvation is entirely by grace through faith apart from works, then what place do good works have in the Christian life?

The biblical answer is simple.

Good works do not produce salvation.

Salvation produces good works.

The moment a person places his faith in Jesus Christ, he is born again, indwelt by the Holy Spirit, and made a new creation in Christ. From that point forward, God begins the lifelong work of transforming him into the image of His Son.

That inward transformation should produce outward evidence.

As a believer, you should desire to obey God and, over time, grow in holiness.

You will come to love others more deeply as the Holy Spirit increasingly conforms you to the character of Christ.

This won’t happen overnight, nor will it happen perfectly—but over time it will happen genuinely.

In some areas you will transform fast; in other areas it will take some time—maybe an entire lifetime.

This is why Paul immediately follows Ephesians 2:8–9 with verse 10:

“For we are his workmanship, created in Christ Jesus unto good works, which God hath before ordained that we should walk in them.” —Ephesians 2:10 (KJV)

But notice the order.

We are not saved by good works. — We are saved unto good works.

Good works are the purpose and result of salvation, not the means of obtaining it.

Jesus taught the same principle:

“Even so every good tree bringeth forth good fruit; but a corrupt tree bringeth forth evil fruit.”
—Matthew 7:17 (KJV)

Fruit does not make a tree alive.

A living tree naturally produces fruit.

Likewise, genuine faith naturally produces a changed life. The fruit does not give life to the tree; it simply reveals the kind of tree it already is.

This is why the New Testament repeatedly calls believers to holy living. Christians are commanded to love, serve, forgive, give generously, pursue holiness, and live lives that honor Christ. These commands are not conditions for receiving eternal life. They are instructions for those who already possess it.

The Christian life is therefore not an attempt to earn God’s acceptance. It is a grateful response to the acceptance already given through Jesus Christ.

Good works also serve another important purpose.

They glorify God before a watching world.

Jesus said:

“Let your light so shine before men, that they may see your good works, and glorify your Father which is in heaven.” —Matthew 5:16 (KJV)

Our obedience becomes a testimony to the transforming power of the gospel. It points people to Christ rather than to ourselves.

This is why Paul never opposed good works. He opposed trusting in good works for salvation.

There is an enormous difference between saying,

“I obey because Christ has saved me.”

and saying,

“I obey so that Christ will save me.”

One is the response of faith.

The other places confidence in human performance.

The first magnifies God’s grace.

The second diminishes the sufficiency of Christ’s finished work.

The proper place of works is therefore clear. They are the fruit of salvation, never its foundation. They follow faith, but they never replace it. They testify that God is at work in the believer’s life, but they never become the basis upon which God declares a sinner righteous.

The gospel saves. — Grace transforms. — Good works follow.

The Finished Work of Christ

Every false gospel has one thing in common.

It shifts the sinner’s confidence away from Christ’s finished work and places at least part of it upon human performance.

Whether that performance is baptism, church membership, sacraments, religious rituals, law-keeping, perseverance, or personal merit, the result is always the same: Christ’s work is treated as necessary—but not sufficient.

The New Testament teaches something radically different.

When Jesus Christ hung upon the cross, He did not merely make salvation possible. He accomplished everything necessary to reconcile sinful men to a holy God.

Just before He gave up His spirit, Jesus uttered one triumphant declaration:

“When Jesus therefore had received the vinegar, he said, It is finished: and he bowed his head, and gave up the ghost.” —John 19:30 (KJV)

Those three English words translate the single Greek word tetelestai, a term used in the ancient world to signify that a debt had been paid in full. Nothing remained outstanding and nothing more was required.

That is exactly what Christ accomplished at Calvary.

The penalty for sin was fully paid and the justice of God was completely satisfied.

Christ’s sacrifice was accepted and the work of redemption was finished.

Nothing remained for mankind to contribute.

That is why the writer of Hebrews repeatedly emphasizes that Christ offered one sacrifice for sins forever, in contrast to the continual sacrifices of the Old Testament priests.

The cross completed everything necessary to secure our salvation.

This is why Paul could write:

“For by one offering he hath perfected for ever them that are sanctified.”
—Hebrews 10:14 (KJV)

The believer does not stand before God clothed in his own imperfect righteousness, hoping that his good deeds will outweigh his failures.

He stands clothed in the perfect righteousness of Jesus Christ.

His acceptance before God rests entirely upon what Christ accomplished, not upon what he accomplishes.

If our works were necessary to complete our salvation, then Christ’s declaration, “It is finished,” would not have been true.

If our obedience were required to maintain our justification, then redemption would still be an unfinished work.

But Scripture declares exactly the opposite.

Christ finished the work.

God now offers salvation as a gift to be received through faith.

This does not make good works unimportant. It simply places them in their proper order. We work because we have been accepted by God, not in order to become acceptable to Him.

The Christian life, therefore, is not a lifelong effort to complete what Christ began.

It is the joyful privilege of living in light of what Christ has already finished.

Let me assure you that your confidence rests in Christ alone.

It does not rest on your consistency or your performance.

It does not rest in your religious devotion or your ability to persevere.

Your confidence rests in the crucified and risen Savior who declared from the cross, “It is finished.”

That is the foundation of the gospel.

That is your, the believer’s, assurance.

That is the only hope of salvation.

Conclusion: There Is Only One Gospel

We have come full circle since we began with the simple question:

What saves a man?

  • The answer is not found in a church denomination.
  • It is not found in baptism.
  • It is not found in sacraments.
  • It is not found in religious devotion.
  • It is not found in obedience.
  • It is not found in perseverance.
  • It is not found in your works.

The answer is found in a Person.

Jesus Christ, the Son of God, died for our sins according to the Scriptures. He was buried. He rose again the third day according to the Scriptures. Through His finished work on the cross, He paid the full penalty for sin, satisfied the justice of God, and made reconciliation with God possible for everyone who believes.

That is the gospel.

Nothing can be added to it without changing it.

Nothing should be taken away from it.

Paul understood what was at stake. That is why he would not compromise with those who altered the gospel. He did not seek a middle ground because there is no middle ground when eternity hangs in the balance. A gospel that depends upon human performance to obtain or maintain salvation is no longer the gospel Paul preached.

The gospel is offensive because it removes every reason for human boasting. It declares that we contribute nothing to our justification except the sin that made the cross necessary. Every ounce of our salvation rests upon the grace of God and the finished work of Jesus Christ.

If you have never trusted Christ alone for your salvation, the invitation is wonderfully simple.

Believe the gospel.

Trust in Jesus Christ alone.

Stop relying on your own goodness, your religious performance, or your ability to earn God’s acceptance.

Rest entirely in the One who declared, “It is finished.”

The moment you place your faith in Him, God justifies the ungodly, forgives every sin, credits Christ’s righteousness to your account, seals you with the Holy Spirit, and grants you everlasting life as a free gift of His grace.

There has never been another way of salvation. There never will be.

There is only one gospel.

“Moreover, brethren, I declare unto you the gospel… by which also ye are saved… how that Christ died for our sins according to the scriptures; And that he was buried, and that he rose again the third day according to the scriptures.”
—1 Corinthians 15:1–4 (KJV)

May we never add to that message.

May we never subtract from it.

May we proclaim it with the same boldness, clarity, and conviction as the Apostle Paul.

For it is still “the power of God unto salvation to every one that believeth.” (Romans 1:16)

For further reading:

The Whole Counsel of God – Ten Safeguards Against Deception
by David Melvin

Borrowed Beliefs: When Your Theology Isn’t Really Yours
by David Melvin