Mark 9:27

24 Straight away the father of the child gave a cry, saying, I have faith; make my feeble faith stronger.

25 And when Jesus saw that the people came running together, he gave orders to the unclean spirit, saying to him, You, spirit, who are the cause of his loss of voice and hearing, I say to you, come out of him, and never again go into him.

26 And after crying out and shaking him violently, it came out: and the child became like one dead; so that most of them said, He is dead.

27 But Jesus took him by the hand, lifting him up; and he got up.

28 And when he had gone into the house, his disciples said to him privately, Why were we unable to send it out?

29 And he said to them, Nothing will make this sort come out but prayer.

30 And they went out from there, through Galilee; and it was his desire that no man might have knowledge of it;