In Galatians 2:11–21, Paul demonstrates that because the gospel comes from Christ, it stands in authority over every believer, governing both what we believe and how we live. I. The Gospel Corrects Our Conduct (vv. 11–14) A. Peter compromised the gospel. (vv. 11–12) B. Peter's compromise spread. (v. 13) C. Paul corrected Peter. (v. 14) II. The Gospel Defines Our Justification (vv. 15–21) A. We are justified by faith. (vv. 15–16) B. We have died to the Law. (vv. 17–19) C. We live by faith in Christ. (vv. 20–21)