13 Then the disciples understood that he spoke to them concerning John the Baptist.
14 And when they had come to the multitude, there came to him a certain man kneeling down to him, and saying,
15 Lord, have mercy on my son; for he is lunatic, and grievously distressed; for often he falleth into the fire, and often into the water.
16 And I brought him to thy disciples, and they could not cure him.
17 Then Jesus answered and said, O faithless and perverse generation, how long shall I be with you? how long shall I suffer you? bring him hither to me.
18 And Jesus rebuked the demon, and he departed out of him: and the child was cured from that very hour.
19 Then came the disciples to Jesus apart, and said, Why could not we cast him out?