Main idea:  The gospel is not Jesus plus something—it is grace alone, through faith alone, in Jesus alone. The Danger of a Distorted Gospel—v.1-5The Encouragement of a Clear Gospel—v.6-11The Grace of a Shared Gospel—v.12-21 Discussion Questions:1. How can you tell the difference between faithful obedience to Christ and slipping into legalism?2. If grace saves us, what role does the law play in the Christian life today?3. Where are you tempted to add to the gospel in your own life—whether through spiritual performance, cultural expectations, or personal convictions?4. How might our church better display the humility, love, and unity that flow from the shared gospel of grace?