After Jesus healed a demon-possessed boy, His disciples asked Him why they were unable to help the boy, because Jesus had previously empowered them to cast out demons. Jesus told them that their failure was due to their unbelief and a lack of prayer and fasting. Never underestimate the power of prayer: Jesus still does miracles today! Please open your Bible to Mark chapter nine, and join Pastor Ray Viola as he begins his study of verses fourteen through twenty-nine.