18. And Jesus rebuked him; and the devil went out from him: and the boy was cured from that hour.
19. Then came the disciples to Jesus apart, and said, Why could not we cast it out?
20. And he saith unto them, Because of your little faith: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.