Matthew 17:16
King James Version
“And I brought him to thy disciples, and they could not cure him.”
Context
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.
19Then came the disciples to Jesus apart, and said, Why could not we cast him out?