Matthew 17:15
King James Version
“Lord, have mercy on my son: for he is lunatick, and sore vexed: for ofttimes he falleth into the fire, and oft into the water.”
Context
12But I say unto you, That Elias is come already, and they knew him not, but have done unto him whatsoever they listed. Likewise shall also the Son of man suffer of them.
13Then the disciples understood that he spake unto them of John the Baptist.
14And when they were come to the multitude, there came to him a man, kneeling down to him, and saying,
15Lord, have mercy on my son: for he is lunatick, and sore vexed: for ofttimes he falleth into the fire, and oft into the water.
16And I brought him to thy disciples, and they could not cure him.
17Then 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.
18And Jesus rebuked the devil; and he departed out of him: and the child was cured from that very hour.