16 And I brought him to your disciples, and they could not cure him.
17 Then Jesus answered and said,
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?
20 And Jesus said unto them,
21 But this kind goes not out but by prayer and fasting.
22 And while they abode in Galilee, Jesus said unto them,