
Renewing Your Mind Paul Opposes Peter
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Jan 3, 2026 Derek Thomas, teaching fellow at Ligonier Ministries and a professor at Reformed Theological Seminary, dives deep into Paul's confrontation with Peter in Antioch. He discusses the significance of this pivotal moment in early church history and its implications for Christian identity. The conversation reveals how Peter's behavior jeopardized the Gospel's message of justification by faith alone. Thomas emphasizes that our true identity is found in Christ, urging believers to live out of gratitude rather than striving to earn their righteousness.
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Gospel Threatened By Peter’s Withdrawal
- Paul confronted Peter in Antioch because Peter withdrew from eating with Gentiles when Jewish delegates arrived, undermining the gospel.
- Derek Thomas shows this behavior risked adding ceremonial law to faith, corrupting justification by faith alone.
The 'Damnable Plus' Destroys The Gospel
- Insisting Gentiles follow kosher rules introduces a 'damnable plus'—faith plus law—for justification.
- Thomas calls this additive theology a corruption that makes Gentiles into Jews rather than Christians.
Daily Remind Yourself You’re In Christ
- Preach the gospel to yourself daily by remembering your identity in Christ and his work for you.
- Live obedience as gratitude for justification, not as the basis for being right with God.


