I Timothy 4:8 - Godliness is profitable now and in the future.A messII Samuel 11:2-15 - the mess created by David’s sin with BathshebaHebrews 12:15-17 - Esau lost his blessing and birthright.A guilty conscienceGenesis 42:21-22 - the guilt of Joseph’s brothers after selling him into slaveryMatthew 27:3-5 - the guilt of Judas after betraying JesusActs 24:16 - Paul tried to avoid guilt the rest of his life.A ruined conscienceI timothy 4:2 - We are born with pure hearts, but it is possible to ruin our consciences with sin.Ephesians 4:17-19 - Sin hardens our heart.Bad habitsActs 8:9-24 - Even after being converted, Simon is tempted by the power of the apostles’ spiritual gifts.Hebrews 10:25 - Skipping the assembly can become a habit.Effect on othersGalatians 2:11-13 - Peter carried others away in his hypocrisy.