Do You Believe:

God created the universe
God divided the Red Sea
God made the Jericho walls fall down
Balaam's donkey spoke
Hebrew children survived the fiery furnace
Daniel survived the lions
Jonah survived the big fish
Jesus walked on water
Jesus raised Lazarus from the dead
Jesus healed the sick
Jesus fed thousands with a few loaves and fishes
John survived being boiled in oil without harm

and that God can change your sinful nature and keep you from sinning?