Key verses: Philippians 3:3, Romans 8:13, Philippians 2:3-5, Philippians 1:23, Philippians 3:4-8, Philippians 1:21, Philippians 2:12-15, Philippians 3:9, Philippians 2:5-7, Philippians 3:13-14, Philippians 4:11-13, Philippians 4:6-7