13 Then the disciples understood that he spoke to them of John the baptist.
14 And when they came to the crowd, a man came to him, falling on his knees before him, and saying,
15 Lord, have mercy on my son, for he is lunatic, and suffers sorely; for often he falls into the fire and often into the water.
16 And I brought him to thy disciples, and they were not able to heal him.
17 And Jesus answering said, O unbelieving and perverted generation, how long shall I be with you? how long shall I bear with you? Bring him here to me.
18 And Jesus rebuked him, and the demon went out from him, and the boy was healed from that hour.
19 Then the disciples, coming to Jesus apart, said to him, Why were not we able to cast him out?