What does Galatians 2:15-21 mean?
Galatians 2:15-21 says people are justified by faith in Christ, not by works of the law. Paul explains that if righteousness came through the law, then Christ died for nothing. Early writers like Tertullian, Clement of Alexandria, Irenaeus, and Cyprian echoed this reading and used it to defend grace and faith.
103 early-church witnesses · 215 source quotations · compared with Scripture
What does Galatians 2:15-21 mean?
Galatians 2:15-21 means that people are made right with God by faith in Jesus Christ, not by keeping the law. Paul says the law cannot justify anyone, and if righteousness came through the law, then Christ died for no reason. Early Christian writers like Tertullian, Clement of Alexandria, Irenaeus, and Cyprian used this passage to teach justification by faith and to warn against putting trust in law-keeping.
They also tied it to the cross, saying believers must live a new life because they have died with Christ. Many more early Christian quotations, Bible passages, and source links are gathered below so you can study the evidence for yourself.
Passage context
Paul is speaking about a clash over Jewish law and Gentile believers. He says even Jewish Christians had to believe in Christ for justification, not rely on the law. The passage ends with Paul saying he has died to the law so that he may live to God, and that he lives by faith in the Son of God.
Why early Christian sources matter
Early Christian writers help show how the church read Galatians 2:15-21 soon after the apostles. Tertullian and Clement of Alexandria quote it for justification by faith, while Irenaeus and Cyprian connect it to the law’s limits and the power of the cross. Their use is strong and fairly consistent, so this is not a late or rare reading.
Common interpretation points
- Galatians 2:16 is the clearest line in the passage: a person is not justified by works of the law but by faith in Christ.
- Some writers pair this passage with Galatians 3:24 and Romans 3:28 to explain the same point.
- The passage is about justification first; it is not mainly a debate about whether the law was ever good.
- The early Christian writers here mostly agree, but they sometimes apply the passage to wider anti-law or anti-heresy arguments.
Evidence-Based Summary
Galatians 2:15-21 teaches that people are not made right with God by law-keeping, but by faith in Jesus Christ. Paul says Jewish believers themselves had to trust Christ, that the law cannot justify, and that grace would be pointless if righteousness came through the law. Early Christian writers like Tertullian, Clement of Alexandria, Irenaeus, and Cyprian repeatedly used this passage to defend justification by faith and to stress that Christ’s cross is not wasted.
The evidence is broad and steady on Paul’s main point, though some writers also connect the passage to wider debates about the law, circumcision, and Christian living.
Key Takeaways
- Paul teaches that justification comes by faith in Christ, not by works of the law.
- Galatians 2:20 says the Christian life is a new life lived by faith because the believer has died with Christ.
- Early Christian writers repeatedly used this passage to defend grace and reject law-based righteousness.
Questions Answered by the Sources
Did the early Christians teach that Galatians 2 says people are justified by faith, not by the law?
Yes. Paul says a person is not justified by the works of the law but by faith in Jesus Christ, and early Christian writers used that line to defend justification by faith. Tertullian, Clement of Alexandria, Irenaeus, Cyprian, and Archelaus all treat this as Paul’s meaning.
-
Galatians 2:16 Direct teaching
knowing that a man is not justified by the works of the law but by faith in Jesus Christ, even we have believed in Christ Jesus, that we might be justified by faith in Christ and not by the works of the law; for by the works of the law no flesh shall be justified.
-
Clement of Alexandria, The Instructor (Paedagogus) Supporting witness
...rwards be revealed, so that the law became our schoolmaster to bring us to Christ, that we might be justified by faith; but after that faith has come, we are no longer under a schoolmaster." Do you not hear that we are no longer under that law which came with fear, but under the Word, the master of free choice? Then he added the statement, free from all partiality: "For you are all the children of God through faith in Christ Jesus. For as many as were baptized into Christ have put on Christ. There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female: for you are all one in Christ Jesus." Galatians 3:26-28 There are not, then, in the same Word some illuminated people, that is, gnostics, and some natural men. But all who have abandoned the desires of the flesh are equal and spiritual before the Lord. And again he writes in another place: "For by one Spirit are we all baptized into one body, whether Jews or Greeks, whether bond or free, and we have all drunk of one cup." 1 Corinthians 12:13 Nor would it be absurd to use the expressions of those who call the remembrance of better things the filtration of the spirit, understanding by filtration t
-
Clement of Alexandria, The Stromata (Miscellanies) Supporting witness
...out this husband, who is the Word, formerly desolate of the bridegroom. Now "the just shall live by faith," which is according to the covenant and the commandments, since these, which are two in name and time, given according to the divine arrangement, being one in power, the old and the new, are given through the Son by one God. As the apostle also says in the Epistle to the Romans, "For in it the righteousness of God is revealed from faith to faith," teaching the one salvation which from prophecy to the Gospel is perfected by one and the same Lord. "This charge," he says, "I commit to you, son Timothy, according to the prophecies which went before on you, that by them you may war the good warfare, holding faith and a good conscience; which some, having put away concerning faith, have made shipwreck," 1 Timothy 1:18-19, because by unbelief they defiled the conscience that comes from God. Accordingly, faith may no longer, with reason, be disparaged in an offhand way as simple and common, as something ordinary and available to anyone. For if it were a merely human habit, as the Greeks supposed, it would have been extinguished. But if it grows, and there is no place where it is no
-
Clement of Alexandria, The Stromata (Miscellanies) Supporting witness
Faith having, therefore, justified these before the law, made them heirs of the divine promise.
-
Clement of Alexandria, The Stromata (Miscellanies) Supporting witness
But Abraham was not justified by works, but by faith.
-
Archelaus, Disputation with Manes Supporting witness
For if we reckon that man is justified without the works of the law, and if Abraham was counted righteous, how much more shall those obtain righteousness who have fulfilled the law which contains the things that are expedient for men?
-
Clement of Rome, Connection to Romans 3:28 Supporting witness
And we, too, being called by His will in Christ Jesus, are not justified by ourselves, nor by our own wisdom, or understanding, or godliness, or works which we have wrought in holiness of heart; but by that faith through which, from the beginning, Almighty God has justified all men
-
Clement of Rome, First Epistle to the Corinthians Supporting witness
but by that faith through which, from the beginning, Almighty God has justified all men;
More related quotations from this section 10 shown
-
Romans 3:28 Supporting witness
For we hold that one is justified by faith apart from works of the law.
-
Romans 3:20 Supporting witness
For by works of the law no human being will be justified in his sight, since through the law comes knowledge of sin.
-
Clement of Alexandria, The Stromata (Miscellanies) Supporting witness
so that the law was a schoolmaster to bring us to Christ, that we should be justified by faith.
-
Acts 13:39 Supporting witness
And by him all that believe are justified from all things, from which ye could not be justified by the law of Moses.
-
Romans 3:27 Supporting witness
Then what becomes of our boasting? It is excluded. By what kind of law? By a law of works? No, but by the law of faith.
-
Romans 4:5 Supporting witness
But to him that worketh not, but believeth on him that justifieth the ungodly, his faith is counted for righteousness.
-
Galatians 3:2 Supporting witness
This only would I learn of you, Received ye the Spirit by the works of the law, or by the hearing of faith?
-
Acts 15:11 Supporting witness
But we believe that through the grace of the LORD Jesus Christ we shall be saved, even as they.
-
Galatians 3:22 Supporting witness
But the Scripture imprisoned everything under sin, so that the promise by faith in Jesus Christ might be given to those who believe.
-
Galatians 2:15 Supporting witness
We who are Jews by nature, and not sinners of the Gentiles,
What did early Christians mean by 'I have been crucified with Christ'?
They read this as a real change in the believer’s life: the old self is put away, and the Christian now lives by faith in Christ. Ignatius, Origen, Cyprian, and Hippolytus all repeat Paul’s language to describe a life joined to the cross and no longer ruled by the old world.
-
Galatians 2:20 Direct teaching
I have been crucified with Christ; it is no longer I who live, but Christ lives in me; and the life which I now live in the flesh I live by faith in the Son of God, who loved me and gave Himself for me.
-
Ignatius of Antioch, Connection to Galatians 2:20 Direct teaching
"I am crucified with Christ: nevertheless I live; yet no longer I, since Christ liveth in me."
-
Origen, Commentary on John Supporting witness
... for Christ, and was buried, and afterward was raised, so also the whole body of Christ's saints is crucified along with Him, and now no longer lives. For each of them, like Paul, boasts, Galatians 6:14, in nothing but the cross of our Lord Jesus Christ, through which he is crucified to the world, and the world to him. Therefore it is not only crucified with Christ and crucified to the world. It is also buried with Christ, for "we were buried with Christ," as Paul says, Romans 6:4. Then he says, as if already enjoying some pledge of the resurrection, "We rose with Him," because he walks in a certain newness of life, though he has not yet risen in that blessed and perfect resurrection for which we hope. Either, then, he is now crucified and afterward is buried, or he is now buried after being taken down from the cross, and, now that he is buried, he is to rise at some future time. But for most of us the mystery of the resurrection is very great and hard to understand. It is spoken of in many other passages of Scripture, and it is especially declared in the following passage of Ezekiel: "And the hand of the Lord was upon me, and He led me out in the Spirit of the Lord, and set me
-
Cyprian, Treatises Supporting witness
...pt in the cross of our Lord Jesus Christ, by whom the world is crucified to me, and I to the world" Galatians 6:14. And yet a virgin in the Church boasts about her physical appearance and the beauty of her body! Paul also adds and says, "For those who are Christ's have crucified their flesh, with its faults and lusts" Galatians 5:24. And she who claims that she has renounced the lusts and vices of the flesh is found in the middle of those very things she has renounced! Virgin, you are caught, you are exposed. You boast of one thing and pursue another. You cover yourself with the stains of fleshly desire, although you are a candidate for purity and modesty. "Cry," says the Lord to Isaiah, "All flesh is grass, and all its glory is like the flower of grass. The grass withers, and the flower fades, but the word of the Lord endures forever" Isaiah 40:6. It is not fitting for any Christian, and especially it is not fitting for a virgin, to pay attention to any glory and honor of the flesh, but only to desire the word of God and to embrace blessings that will endure forever. Or if she must glory in the flesh, then certainly let her glory when she is tortured in confessing the Name; whe
-
Origen, Commentary on John Supporting witness
Not only, therefore, is it crucified with Christ, and crucified to the world;
-
Hippolytus, Treatise on Christ and Antichrist Supporting witness
You died with Christ; and you will live with Christ.
-
Origen, Commentary on Matthew Supporting witness
Wherefore they will say, I have been crucified with Christ, and, Far be it from me to glory save in the cross of the Lord, through which the world has been crucified unto me and I unto the world.
-
Ignatius, Epistle to the Romans (Long Version) Supporting witness
“I am crucified with Christ: nevertheless I live;
-
Ignatius of Antioch, Connection to Galatians 2:20 Supporting witness
I no longer wish to live after the manner of men, and my desire shall be fulfilled if ye consent. Be ye willing, then, that ye also may have your desires fulfilled.
More related quotations from this section 2 shown
-
Galatians 5:24 Background
And those who belong to Christ Jesus have crucified the flesh with its passions and desires.
-
Galatians 6:14 Background
But far be it from me to boast except in the cross of our Lord Jesus Christ, by which the world has been crucified to me, and I to the world.
Did early Christians think Galatians 2 says grace would be useless if righteousness came through the law?
Yes. Paul says he does not nullify the grace of God, because if righteousness came through the law, Christ died for no purpose. Tertullian and Archelaus make this same argument and link it to the limits of the law and the need for faith.
-
Galatians 2:21 Direct teaching
I do not nullify the grace of God, for if righteousness were through the law, then Christ died for no purpose.
-
Tertullian, Against Marcion Supporting witness
For the rest, the apostle must (be permitted to) go on with his own statement, wherein he says that a man is not justified by the works of the law, but by faith: Galatians 2:16 faith, however, in the same God to whom belongs the law also.
-
Tertullian, Against Marcion Supporting witness
He enjoins those who are justified by faith in Christ and not by the law to have peace with God.
-
Tertullian, Against Marcion Supporting witness
The object, therefore, of the faith whereby the just man shall live, will be that same God to whom likewise belongs the law, by doing which no man is justified.
-
Archelaus, Disputation with Manes Supporting witness
...w was prepared and given through Moses for the salvation of very many. For if we hold that a man is justified without the works of the law, and if Abraham was counted righteous, how much more will those obtain righteousness who have fulfilled the law that contains the things useful for men? And since you have mentioned only three passages of Scripture, in which the apostle has declared that the law is a ministry of death, and that Christ has redeemed us from the curse of the law, and that the law is the strength of sin, you may now bring forward others of the same kind, and produce whatever passages seem to you to be written against the law, as much as you wish.
-
Tertullian, Against Marcion Supporting witness
...eousness of God. It is a distinction of divine arrangements, not of gods. He commands those who are justified by faith in Christ and not by the law to have peace with God. With what God? With Him whose enemies we have never been, in any divine arrangement? Or with Him against whom we have rebelled, both in relation to His written law and His law of nature? Now, since peace is possible only toward Him with whom there once was war, we will be justified by Him. And to Him also will belong the Christ in whom we are justified by faith, and through whom alone God's enemies can ever be brought to peace. Moreover, he says, "the law entered, that the offense might abound." Romans 5:20 And why was this? "In order," he says, "that where sin abounded, grace might much more abound." Romans 5:20 Whose grace, if not that of the God from whom also came the law? Unless, of course, the Creator inserted His law for the mere purpose of producing some work for the grace of a rival god, an enemy to Himself. I had almost said, a god unknown to Him. So that as sin had in His own divine arrangement reigned to death, even so grace might reign through righteousness to eternal life by Jesus Christ, Romans
More related quotations from this section 2 shown
-
Galatians 2:17 Direct teaching
“But if, while we seek to be justified by Christ, we ourselves also are found sinners, is Christ therefore a minister of sin? Certainly not!
-
Galatians 5:4 Background
You are severed from Christ, you who would be justified by the law; you have fallen away from grace.
How did early Christians explain the law in Galatians 2:15-21?
They usually said the law points beyond itself and cannot give righteousness by itself. Clement of Alexandria, Irenaeus, Tertullian, and Archelaus connect Galatians with the idea that the law prepares for faith, but faith in Christ is what justifies.
-
Galatians 3:24 Background
Wherefore the law was our schoolmaster to bring us unto Christ, that we might be justified by faith.
-
Galatians 3:12 Background
And the law is not of faith: but, The man that doeth them shall live in them.
-
Galatians 3:21 Background
Is the law then contrary to the promises of God? Certainly not! For if a law had been given that could give life, then righteousness would indeed be by the law.
-
Galatians 3:11 Background
But that no man is justified by the law in the sight of God, it is evident: for, The just shall live by faith.
-
Irenaeus, Against Heresies: Book IV Background
And that the Lord did not abolish the natural principles of the law, by which man is justified—principles which those justified by faith and who pleased God observed before the law was given—but instead extended and fulfilled them, is shown by His words. "For," He said, "it has been said to the people of long ago, Do not commit adultery. But I tell you, that anyone who looks at a woman lustfully has already committed adultery with her in his heart." And again: "It has been said, You shall not kill. But I tell you, anyone who is angry with their brother without cause will be in danger of judgment." And, "It has been said, You shall not swear falsely. But I tell you, Do not swear at all; but let your response be Yes, yes, and No, no." And other statements like these. For all these do not imply an opposition to or overturning of the principles of the past, as Marcion's followers strongly assert; rather, they show a fulfilling and extension of them, as He Himself declares: "Unless your righteousness surpasses that of the scribes and Pharisees, you will not enter the kingdom of heaven." What did the excess referred to mean? First, we must believe not only in the Father but also in His S
-
Irenaeus, Against Heresies: Book IV Background
1. And that the Lord did not abrogate the natural [precepts] of the law, by which man is justified, which also those who were justified by faith, and who pleased God, did observe previous to the giving of the law, but that He extended and fulfilled them, is shown from His words.
-
Archelaus, Disputation with Manes Background
...prevaricator." And in saying this he pronounces on them as Gentiles, because before the fullness of faith came, they were under the elements of the world, believing then in the law and the prophets.
-
Ignatius, Epistle to the Magnesians (Long Version) Background
“Old things are passed away: behold, all things have become new.” For if we still live according to the Jewish law, and the circumcision of the flesh, we deny that we have received grace.
More related quotations from this section 3 shown
-
Irenaeus, Against Heresies: Book IV Supporting witness
The tradition of the elders, which they claimed to follow from the law, was actually against the law given by Moses. This is why Isaiah declares: “Your dealers mix the wine with water,” indicating that the elders corrupted a pure command of God by mixing it with their flawed tradition. They established a false law opposing the true law, as the Lord pointed out when He asked them, “Why do you violate the commandment of God for the sake of your tradition?” They disregarded God’s law not only by directly transgressing it, but also by opposing it with their own law, which is still known today as pharisaical. In this law, they omit certain things, add others, and interpret some as they see fit, used by their teachers individually. Wanting to uphold these traditions, they refused to submit to the law of God, which prepares them for the coming of Christ. They even criticized the Lord for healing on the Sabbath, which, as I have already mentioned, was not forbidden by the law. They themselves, in a way, performed acts of healing on the Sabbath when they circumcised a man on that day, but they did not criticize themselves for breaking God’s command through tradition and the aforementioned p
-
Galatians 2:19 Background
For I through the law am dead to the law, that I might live unto God.
-
Irenaeus, Against Heresies: Book III Background
An example occurs in the [Epistle] to the Galatians, where he expresses himself as follows: “Wherefore then the law of works?
Common Questions
What is the main message of Galatians 2:15-21?
The main message is that sinners are justified by faith in Christ, not by the works of the law.
What does 'I have been crucified with Christ' mean in Galatians 2:20?
It means the believer’s old life is over, and life now is lived by faith in the Son of God.
Why does Paul say he does not nullify the grace of God?
Because if righteousness came through the law, then Christ’s death would not be needed.
Did early Christians use Galatians 2:16 to teach justification by faith?
Yes. Writers like Tertullian, Clement of Alexandria, and Irenaeus used it that way.
Did early Christians think the law could save people?
No. The strongest witnesses here say the law does not justify, and faith in Christ does.
Source Index for Galatians 2:15-21
The guided sections above show the strongest quotations. This compact index highlights 160 ranked source links from 215 compiled sources for deeper study.
Source index 160 ranked links shown
Early Christian Writings 80 shown of 103
Primary-source quotations from early Christian writers and church documents.
Bible Passages 80 shown of 112
Related Bible passages saved for comparison with the early Christian quotations.