13 Then the disciples understood that he had spoken to them about John the Baptist.
14 And when they came to the crowd, a man approached him, kneeling down before him
15 and saying, “Lord, have mercy on my son, because he has seizures and suffers severely, for often he falls into the fire and often into the water.
16 And I brought him to your disciples, and they were not able to heal him.”
17 And Jesus answered and said, “O unbelieving and perverse generation! How long will I be with you? How long must I put up with you? Bring him here to me!”
18 And Jesus rebuked him, and the demon came out of him and the boy was healed from that hour.
19 Then the disciples approached Jesus privately and said, Why were we not able to expel it?”