This document summarizes key points from a Sunday school class on Colossians about the supremacy and sufficiency of Jesus Christ in three weeks. It discusses that believers are chosen by God and set apart for Him, defined as saints. Faith is the foundational act of believing in Christ. Paul's typical greeting of grace and peace is explained. The differences between "peace with God" and "the peace of God" are outlined. Finally, it describes Paul's method of initially providing encouragement in his letters, then warnings and doctrine, before a closing encouragement.