Mark 9:22-25

The demon has often thrown him both into fire and into water, intending to kill him. But if You can do anything, take pity on us and help us!” Jesus said to him, “[You say to Me,] ‘If You can?’ All things are possible for the one who believes and trusts [in Me]!” Immediately the father of the boy cried out [with a desperate, piercing cry], saying, “I do believe; help [me overcome] my unbelief.” When Jesus saw that a crowd was rapidly gathering [around them], He rebuked the unclean spirit, saying to it, “You deaf and mute spirit, I command you, come out of him and never enter him again!”