Galatians 2:15 Explanation: Justified by Faith, Not by Works

By
Elizabeth Kim
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Galatians 2:15 is Paul’s way of saying that Jewish believers, though they were raised under the Law of Moses, know that no one is made right with God by keeping the Law. Paul writes this as part of a rebuke. He is speaking to Peter, the apostle, at Antioch, where Peter had stopped eating with Gentile believers once some visitors from James arrived. Paul’s point in the surrounding passage is that the gospel is at stake in how these believers treat one another.

“We, being Jews by nature, and not Gentile sinners…

Galatians 2:15 (WEB)

What Galatians 2:15 Means

Paul begins by describing his own background and that of his readers. “We, being Jews by nature” points to the fact that Paul and Peter were born into the covenant people of Israel. They had grown up with the Law, the sacred markers of circumcision, dietary rules, and Sabbath observance that set Israel apart. Paul does not deny this heritage. He treats it as a real privilege.

The contrast comes next: “not Gentile sinners.” In the language of the day, Gentiles were outsiders to the covenant, and Jews often viewed them as sinners by default. Paul is quoting that common assumption so he can set it aside in the verses that follow. The verse does not say Jews are better in God’s sight. It describes how the world saw things and prepares the ground for Paul’s argument that status by birth cannot save anyone.

What the verse does not promise is that heritage or religious performance will make a person right with God. Paul is clearing the ground so that he can build on faith in Christ instead.

The Context of Galatians 2:15

Galatians is a letter Paul wrote to churches in the region of Galatia, which were being pressed by teachers who insisted that Gentile believers must take on the Law, including circumcision, to be full members of God’s people. Paul writes with urgency because he believes this teaching threatens the core of the gospel. The letter is addressed to Gentile and Jewish believers alike, and its central claim is that people are made right with God through faith in Jesus Christ.

Just before verse 15, Paul describes the scene at Antioch, where Peter withdrew from table fellowship with Gentiles out of fear of those from the circumcision group. Right after verse 15, Paul states the heart of his argument in verse 16: a person is not justified by the works of the law but through faith in Jesus Christ. Read in that setting, verse 15 is not a standalone statement about ethnic pride. It is the opening premise of a larger argument that Peter’s behavior contradicted the gospel he already knew.

Key Phrases in Galatians 2:15

Galatians 2:16

Yet knowing that a man is not justified by the works of the law but through faith in Jesus Christ, even we believed in Christ Jesus, that we might be justified by faith in Christ, and not by the works of the law, because no flesh will be justified by the works of the law.

(WEB)

Verse 16 completes the thought that verse 15 begins. Where verse 15 sets up the problem of inherited status, verse 16 states that justification comes through faith in Jesus Christ and not through works of the law. Reading the two together shows how Paul moves from the starting point to the conclusion.

Ephesians 2:8-9

8 For by grace you have been saved through faith, and that not of yourselves; it is the gift of God, 9 not of works, that no one would boast.

(WEB)

Paul’s later letter to the Ephesians expresses the same conviction that salvation is by grace through faith, not by works or by any one’s own achievement. It shows that this teaching remained central to Paul’s message across his letters.

A Short Prayer From Galatians 2:15

Lord, you have shown me that my background and my efforts cannot make me right with you. Thank you for the faith you give through Jesus Christ, which places me in your family on the basis of his work and not my own. Help me to let go of any pride in my heritage or my record, and to see others the way you see them. Shape my heart toward humility and love, especially toward those I have been tempted to keep at a distance. Give me the courage to rest in your grace each day. Amen.

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