Few books of the Bible have shaped Christian history as dramatically as Galatians. Martin Luther famously called it his “Katie von Bora,” the letter he was wedded to, and it has fueled reformations, renewal movements, and some of the fiercest scholarly debates of the last half century. In just six chapters Paul defends his apostleship, recounts a public confrontation with Peter, reinterprets the story of Abraham, redefines the role of the Mosaic law, and paints one of the most compelling portraits of Spirit-led freedom in all of Scripture. Because the letter is so compressed and so passionate, it rewards careful study with good guides at your side.
For this post we have worked through ten major volumes on Galatians: J. Louis Martyn (Anchor Yale Bible), Douglas J. Moo (Baker Exegetical Commentary on the New Testament), James D. G. Dunn (Black’s New Testament Commentary), Richard N. Longenecker (Word Biblical Commentary), David A. deSilva (New International Commentary on the New Testament), Thomas R. Schreiner (Zondervan Exegetical Commentary on the New Testament), Craig S. Keener (Cambridge), Gordon D. Fee (Pentecostal Commentary), Charles B. Cousar (Reading the New Testament), and Frederick David Carr’s monograph Being and Becoming: Human Transformation in the Letters of Paul. What follows are twelve of the most illuminating insights that emerge when these scholars are read side by side, including the places where they sharply disagree.
1. The Letter Opens with a Cry of Alarm, Not a Prayer of Thanks (1:1–10)
Every other letter Paul wrote to a church includes a thanksgiving near the beginning, and the absence of one in Galatians is deafening. Charles Cousar observes that Paul replaces the customary prayer of thanks with a formula of astonishment and rebuke (“I am astonished that you are so quickly deserting…”), and that the letter’s closing is equally unusual, summarizing the central issue at length while omitting the warm greetings and holy kiss found elsewhere. Cousar also notes that the greeting itself is unusually expansive. Verse 4, with its language of Christ giving himself “to set us free from the present evil age,” reads like an early Christian confession, using vocabulary found nowhere else in Paul. Since thanksgivings normally set the agenda for Paul’s letters, this confessional greeting takes over that role and lays the theological foundation for everything that follows.
Richard Longenecker helps readers see the larger architecture. Drawing on ancient letter types, he classifies Galatians as a letter of “rebuke and request.” The rebuke section (1:6–4:11) is dominated by forensic, courtroom-style argument, while the request section (4:12–6:10) shifts toward deliberative appeals urging the Galatians to choose a course of action. Craig Keener adds that the opening functions like the exordium of an ancient speech, preparing the audience for what follows, and that Paul’s repeated denials (“not from men nor through man”) almost certainly echo charges his rivals were making against him. Read this way, the first ten verses are not throat-clearing. They are the opening salvo of a pastor who believes the gospel itself is at stake.
2. Paul’s Life Story Is Evidence for the Gospel (1:11–2:14)
The long autobiographical section in chapters 1 and 2 can feel like a detour, but the commentators agree it is central to Paul’s case. The thesis in 1:11–12 is that Paul’s gospel did not originate with any human being but came through a revelation of Jesus Christ. Everything Paul then narrates, from his former zeal in Judaism to his limited contact with the Jerusalem leaders, serves to demonstrate that his message was neither borrowed nor watered down. Frederick David Carr points out that Paul consistently places his arguments inside stories, narrating his own past, his conflicts, the Galatians’ conversion, and Israel’s history, because he aims to shape his readers’ identity by inviting them into a particular self-understanding.
James Dunn’s treatment of the Antioch incident (2:11–14) is especially illuminating. He argues that Paul saw the confrontation with Peter as the first test case of the agreement reached in Jerusalem (2:1–10), and the crisis in Galatia as a second test case in which the issues were identical. Dunn also reconstructs the political pressures behind Peter’s withdrawal from table fellowship: a volatile period in Judea marked by weak Roman governors and rising nationalist sentiment, in which loyalists naturally sought to reinforce the markers that distinguished Jews from Gentiles. Douglas Moo adds that Paul uses Antioch as a springboard to the deeper theological question beneath both crises, namely, the terms on which anyone can expect to find right standing with God. When Peter separated from Gentile believers, he was not merely making a social misstep; he was implicitly denying the truth of the gospel.
3. God Has Invaded the Present Evil Age
No single commentary has reshaped the reading of Galatians more than J. Louis Martyn’s Anchor Yale volume. Martyn argues that Paul’s theology here is fundamentally apocalyptic, but not in the sense of revealing hidden secrets. He notes that Paul moves easily from the verb “to reveal” to verbs of “coming” and “sending” (3:23–25; 4:4–6), showing that the decisive event is God’s invasion of the world in the sending of his Son and his Spirit. This changes how we understand the human problem. Martyn reasons that God would not need to stage an invasion merely to forgive erring people; the deeper trouble is that all humanity is enslaved under powers it cannot escape. That is why Galatians is full of phrases like “under the law,” “under sin,” and “under the elements of the world.” For Martyn, the crucial question of the entire letter becomes: What time is it? It is the time after Christ’s arrival, when the liberating war against the powers of the old age has decisively begun.
Martyn also distinguishes between antitheses and antinomies. Paul is not simply arguing that faith is a better option than law observance; he is announcing that the cosmos itself has changed, so his rhetoric is as much proclamation as persuasion. Douglas Moo engages this reading respectfully but critically. He grants that Paul’s quarrel with his rivals boils down to how disruptive the Christ event is for salvation history, and he affirms the letter’s apocalyptic categories. Yet he contends that Martyn goes too far in denying any real salvation history in Galatians. For Moo, the law remains God’s law, given for specific purposes and finding its goal in Christ, and the Old Testament prepares for the gospel rather than serving merely as a negative foil. Readers who hold both voices together will find a richer picture: Christ is both the shocking intervention of God and the fulfillment of a single divine plan.
4. What Paul Means by “Works of the Law” Is Still Hotly Debated
The phrase “works of the law” appears six times in Galatians, and its meaning sits at the center of the debate over the New Perspective on Paul. James Dunn, one of that movement’s leading architects, argues that the phrase refers in principle to everything the law required of Israel, but in practice it focused on test cases that had become “make or break” issues for Jewish identity since the Maccabean crisis, especially circumcision and food laws. On this reading, those who “rely on works of the law” (3:10) are those who place too much weight on Israel’s distinctiveness from the nations, and Paul’s protest is directed against using the law as a boundary fence that keeps Gentiles out.
Thomas Schreiner lays out the three main options clearly: works of the law as legalism, as social boundary markers, or as everything the law commands. He argues for the third, pointing to Paul’s insistence in 3:10 on doing “all things written in the book of the law” and his reminder in 5:3 that anyone who accepts circumcision is obligated to keep the whole law. Douglas Moo agrees that the phrase refers to human doing of the Torah, and he observes that everyone acknowledges the issue is Torah observance, since Paul always abbreviates the phrase as “law” rather than “works.” The real disagreement is over why Paul objects. Moo argues that the problem is not only salvation-historical, as though the Torah were simply outdated, but also anthropological. When Paul asks whether the Galatians will finish “by the flesh” (3:3), he exposes the inability of human effort to deliver anyone from sin. This debate is one of the clearest places where the choice of commentary will shape your preaching.
5. “Faith in Christ” or “The Faithfulness of Christ”?
A small Greek phrase, pistis Christou, has generated a mountain of scholarship. Traditionally translated “faith in Christ” (an objective genitive), it can also be rendered “the faith” or “faithfulness of Christ” (a subjective genitive). Richard Longenecker translates Galatians 2:16 as “the faithfulness of Jesus Christ,” arguing that Paul uses the phrase to signal the objective basis of the gospel: the perfect obedience Jesus rendered to the Father, actively in his life and passively in his death. Charles Cousar agrees, noting that this rendering removes the apparent redundancy of 2:16 and sharpens the contrast between works of the law, something humans do, and Christ’s faithfulness, something Christ does. Martyn and Carr also read the phrase this way, with Carr speaking of “Christ-faith” over against “law-works.”
David deSilva and Douglas Moo come down on the other side. DeSilva points out that early Greek-speaking interpreters such as Origen and John Chrysostom consistently read the phrase as trust in Christ and gave no indication that another reading was even possible. He also argues that the verbal statement in the same verse (“we have believed in Christ Jesus”) would naturally guide hearers to the objective sense. Moo adds that since “faith” first appears in contrast to “works of the law,” understood as human doing, the contrast most likely refers to human believing. Yet deSilva makes a wise pastoral observation that deserves wide hearing: neither solution removes the essential content of the other from Paul’s theology. Christ’s faithful obedience and our trusting response both remain fully present in Paul, whichever way one resolves this particular phrase.
6. Justification Is About God Setting Things Right
How should we translate Paul’s language of dikaiosynē and dikaioō? Thomas Schreiner defends the traditional forensic understanding, arguing that “justify” means “declare righteous,” a verdict God pronounces over those who trust in Christ. J. Louis Martyn takes a strikingly different path. He notes that English loses the obvious connection between the Greek verb and noun when we translate one as “justify” and the other as “righteousness,” and that both English terms carry connotations of either the courtroom or religious morality. Martyn therefore adopts the language of “rectification,” words outside our legal and moral institutions, because Paul’s subject is God’s act of making right what has gone wrong in the world.
David deSilva adds a third emphasis worth weighing carefully. He observes that “righteousness” in passages like 2:21 and 5:5 is an ethical term, and he argues that Paul’s hope is not merely to be declared righteous while remaining unchanged, but to be transformed into Spirit-led people who actually do and are what pleases God. For deSilva, Paul’s polemic is never against doing good works; it is against doing works of the Torah from the conviction that the Torah still regulates the people of God. These three readings are not entirely incompatible, and studying them together will help teachers explain both the gift of God’s verdict and the power of God’s transforming presence.
7. The Galatians’ Experience of the Spirit Is Exhibit A (3:1–5)
When Paul turns to argue his case in chapter 3, he begins not with Scripture but with experience: “Did you receive the Spirit by works of the law or by hearing with faith?” Gordon Fee, whose lifelong work on the Holy Spirit makes his commentary especially valuable here, insists that Paul’s entire argument collapses unless the Galatians’ reception of the Spirit was a dynamic, experienced reality. Their encounter with the Spirit came before the rival teachers ever arrived with the Torah, which for Paul proved that the era of the Torah was over. Fee also highlights the ongoing miracles mentioned in 3:5 and the “Abba” cry of 4:6, which he sees as the personal language of Jesus placed on the lips of believers as evidence of their sonship. He notes that the rare phrase “the Spirit of his Son” shows that the indwelling Spirit is the way both the Father and the Son are present in the believer’s life.
Craig Keener brings the ancient world vividly into view in 3:1, where Paul asks who has “bewitched” the Galatians. The Greek term was associated with the “evil eye,” an envious gaze believed to cast a curse. Keener reads Paul’s question as sarcasm: how else could people who had seen Christ crucified portrayed before their very eyes become so foolish? He also mentions the suggestion of some scholars that the word translated “despise” in 4:14 could mean “spit,” the customary gesture for warding off the evil eye, implying that the Galatians once received the sickly Paul without fear. David deSilva and Richard Longenecker both underline the strategic brilliance of beginning here. The Spirit was the undeniable sign that Christ’s work had been sufficient for them, and nothing the rival teachers offered could add to it.
8. The Law Was a Guardian Escorting Children to School (3:19–25)
“Why then the law?” Paul’s answer includes one of the most misunderstood images in the letter: the law as a paidagōgos. Older translations rendered the word “schoolmaster,” and some modern ones prefer “disciplinarian,” but Craig Keener’s background work shows that neither captures the picture well. Pedagogues were usually household slaves who escorted boys to school, carried their bags, kept them out of trouble, and protected them from predators along the way. Some were harsh, but many were gentle and well loved. Keener notes that pedagogues were described as guards, which matches Paul’s statement that we were “guarded” under the law (3:23). The image is temporary by nature: once the child comes of age, the escort’s job is done, and in 4:1 Paul adds that an heir under such guardians is no better off than a slave.
Charles Cousar helps resolve the apparent tension between Paul’s negative and positive statements about the law. On one hand, the law brings a curse (3:10), arrives 430 years after the promise to Abraham (3:17), and serves only a temporary function. On the other hand, it is fulfilled in the love command (5:14) and described as “the law of Christ” (6:2). Cousar explains that something has happened in the law’s history: Christ bore its curse and redeemed those under it, silencing the law’s cursing voice and bringing it to completion. Douglas Moo agrees that the law finds its goal in Christ, and David deSilva describes it as a temporary measure providing protective discipline for the people from whom the promised Seed would come. This is a far more nuanced picture than the caricature of Paul as simply anti-law.
9. In Christ, God Creates One Family from Many (3:26–29)
Galatians 3:28 (“There is neither Jew nor Greek, slave nor free, male and female, for you are all one in Christ Jesus”) is one of the most quoted verses in the New Testament. Richard Longenecker raises the intriguing possibility that its three pairs consciously counter a series of Jewish morning blessings, attested in later rabbinic sources, in which a man thanked God for not making him a Gentile, a slave, or a woman. Longenecker sees in this confession a new oneness in Christ that breaks down former divisions and heals injustices, with consequences that are not only spiritual but social and cultural. James Dunn adds that Jewish thought commonly divided the world into two groups, Israel and everyone else, and that Paul declares this division void with the abruptness of an axiom that admits no qualification.
Frederick David Carr offers a thoughtful nuance. He notes that even this nullification of old binaries creates a larger one: people either live by these ethnic, social, and gender divisions or they do not. Carr also reminds readers that Paul continues to recognize ethnic distinctions elsewhere in his letters, so 3:28 is about the end of these categories as determinants of belonging, not their erasure. Paul’s conclusion in 3:29 is that belonging to Christ makes Gentiles Abraham’s seed and heirs of the promise. Thomas Schreiner argues that this logic carries through to “the Israel of God” in 6:16, which he identifies as the church composed of Jewish and Gentile believers, since any other reading would reintroduce the very wedge the letter has labored to remove. Martyn similarly understands the phrase as applying to the churches born of Paul’s mission, while noting that Paul later clarifies God’s faithfulness to ethnic Israel at length in Romans 9–11.
10. Galatians Is an Argument Inside the Church, Not an Attack on Judaism
Because Galatians contrasts faith and law so sharply, it has sometimes been misused to fuel anti-Jewish sentiment. J. Louis Martyn insists that this is a profound misreading. He points out that when Paul uses the word “Jew” in 2:13–15 and 3:28 he refers to Jewish Christians, and that the dispute is entirely internal to the church. Martyn frames the letter as a contest between two Gentile missions: the Law-observant mission of those he calls “the Teachers,” and Paul’s own circumcision-free mission. This framing even governs his reading of the Hagar and Sarah allegory (4:21–5:1), which he understands as two covenants corresponding to these two missions rather than as church versus synagogue. Martyn cites Franz Overbeck’s memorable quip that Paul had only one student who understood him, Marcion, and that student misunderstood him, as a warning against turning Paul’s contrasts into a rejection of Israel’s God.
David deSilva helps readers appreciate why the rival teachers were persuasive. They were most likely Jewish-Christian missionaries seeking to keep the movement anchored in God’s historic covenant with Israel, much like those described in Acts 15:1. DeSilva imagines the questions Gentile converts would naturally ask: If the Torah dominates God’s dealings with Israel, shouldn’t we follow it? If we have the Spirit, why do we still struggle with sin? The teachers had ready, plausible answers. Even the labels the commentators use reveal their angles of vision: Longenecker speaks of “Judaizers,” Moo of “agitators,” deSilva of “rival teachers,” and Martyn of “the Teachers.” Craig Keener adds that allegorical interpretation was common among Stoics, Platonists, and especially Philo of Alexandria, who himself allegorized Hagar as elementary learning and Sarah as advanced wisdom, which helps explain why Paul’s audience would have recognized his method.
11. The Spirit Is Sufficient for Holy Living (5:13–6:10)
One of Richard Longenecker’s most valuable contributions is his distinction between “legalism” and “nomism.” Legalism is the attempt to gain God’s favor through Torah observance, while nomism is the conviction that, having been accepted by God, believers should live a life governed by the Torah. Longenecker argues that the rival teachers did not overtly deny faith in Christ; rather, they offered the Torah as the necessary means of checking the excesses of sinful Gentile natures and perfecting the Christian life. Paul confronts both issues, legalism in 3:1–18 and nomism in 3:19–4:7, and Longenecker warns that reading Galatians as though it addressed only legalism misses much of its pastoral force. This insight makes the ethical section of chapters 5 and 6 essential rather than an afterthought.
David deSilva titles this portion of his commentary “Spirit-Empowered Righteousness,” and argues that Paul is demonstrating the Spirit’s sufficiency not only to begin the Christian life but to bring believers to completion. No external code, however holy and good, can form virtuous character within a person, but the Spirit can guide and empower such inner transformation. Gordon Fee explains that “flesh” in Paul is an eschatological category, describing life according to the values of the present age that is passing away, and he notes the startling implication that submitting to works of the law amounts to reverting to life in the flesh. Those who belong to Christ have already crucified the flesh (5:24), a far more radical solution than subjecting it to the Torah. Longenecker also notes that “love” stands first in the fruit of the Spirit for emphasis, recalling the call to serve one another in love (5:13), and he regards the popular division of the list into three neat triads as artificial. Cousar rounds out the picture by showing that bearing one another’s burdens, including restoring a fallen brother or sister, fulfills “the law of Christ,” the Torah brought to completion in Christ.
12. Transformation Defines the Christian Self (2:19–20; 4:19; 6:14–15)
Frederick David Carr’s Being and Becoming offers a fresh lens for reading Galatians by tracing its remarkably frequent language of human transformation. He notes that Paul describes change as crucifixion three times (2:19–20; 5:24; 6:14–15), speaks of being “clothed” with Christ in baptism, describes liberation from cosmic powers, and uses the striking verb “to be formed” in 4:19, the only place in the New Testament where that verb appears. In that verse Paul pictures himself as a mother in labor and the Galatians as those in whom Christ must be formed, a tangled metaphor that Carr reads as expressing deep relational pain and Paul’s role in bringing the community to birth. Carr respectfully parts ways with readings that find primarily apocalyptic overtones in the birth imagery, arguing that the immediate context is about Paul’s relationship with his converts.
Carr’s central conclusion is that every transformation text in Galatians refers to existential and moral change that already happened in the past and now grounds the present. The Galatians’ crisis, in his reading, is less an abstract theological disagreement than a crisis of identity: they must understand who they have become in Christ and live accordingly. Through the Spirit, believer and Christ together form what Carr calls a “Christ-subject,” which is why Paul can say, “it is no longer I who live, but Christ who lives in me.” Martyn goes so far as to describe Christ becoming the real ego of the Galatian communities. When Paul speaks of “new creation” in 6:15, Carr argues, the reality is both cosmological and anthropological, a new self embedded in a new world. Thomas Schreiner notes that Paul closes by pointing to the scars on his own body as the “marks of Jesus” (6:17), wounds from proclaiming the cross that matter far more than the mark of circumcision. The Galatians have become, and are still becoming, people of the new creation.
Which Galatians Commentary Should You Reach For?
If you want deep technical engagement with the Greek text and the history of interpretation, Richard Longenecker’s WBC volume remains a superb resource, especially for its rhetorical outline and its legalism/nomism distinction. J. Louis Martyn’s Anchor Yale commentary is the most provocative and theologically ambitious of the group; even readers who disagree with his apocalyptic framework will find that it forces fresh thinking on nearly every page. Douglas Moo’s BECNT volume is arguably the most balanced exegetical commentary available, carefully weighing the New Perspective, the apocalyptic reading, and traditional Reformation concerns before charting a judicious course. David deSilva’s NICNT volume combines rigorous exegesis with rich social-cultural and rhetorical insight, along with thoughtful reflections that bridge the text to pastoral ministry.
For pastors and teachers who want solid exegesis in a more streamlined format, Thomas Schreiner’s ZECNT commentary offers clear main-idea statements, helpful “In Depth” discussions of contested passages, and a concluding synthesis of the letter’s theology from a Reformed perspective. James Dunn’s BNTC volume is essential for understanding the New Perspective from one of its chief architects, and his historical reconstruction of the Antioch incident remains illuminating. Craig Keener’s commentary is the place to go for ancient background, from pedagogues to the evil eye to Greco-Roman rhetoric. Gordon Fee’s Pentecostal Commentary is accessible and warm, with special strength on the Holy Spirit and helpful “Reflection and Response” sections for application, while Charles Cousar’s literary and theological reading is ideal for small groups and preachers who want a clear, flowing exposition. Finally, Frederick David Carr’s Being and Becoming is not a verse-by-verse commentary, but it is a rewarding companion for anyone exploring what Paul means when he speaks of believers being crucified with Christ and becoming a new creation.
Galatians is a letter about freedom, but it is never a letter about doing whatever we please. It is about the freedom God creates by sending his Son to redeem us and his Spirit to transform us, a freedom expressed in faith working through love (5:6). Whichever commentaries you choose, reading several voices side by side will help you hear Paul’s passion more clearly and proclaim his gospel more faithfully. Which of these insights has most changed how you read Galatians? Share your thoughts in the comments, and explore our other commentary reviews here at Commentary Compass.
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