Charles Spurgeon Commentary Mark 9:25-26

"And when Jesus saw that a multitude came running together, he rebuked the unclean spirit, saying unto him, Thou dumb and deaf spirit, I command thee, come out of him, and enter no more into him. And having cried out, and torn him much, he came out: and [the boy] became as one dead; insomuch that the more part said, He is dead." — Mark 9:25-26 (ASV)

When Jesus saw that the people came running together, he rebuked the foul spirit, saying to him, You dumb and deaf spirit, I charge you, come out of him, and enter no more into him. And the spirit cried, and rent him sore, and came out of him: (Mark 9:25–26).

It must obey Christ. The Master bids that dog of a devil to lie down, and he must do so. It shows what an abject creature, after all, the prince of darkness is; he must obey the voice of Christ. Lord, speak to him at this moment, and drive him out of other souls by Your omnipotent word!