Mark 9:17-22

17Someone in the crowd replied, “Teacher, I brought You my son, who has a spirit that makes him mute. 18Whenever it seizes him, it throws him to the ground. He foams at the mouth, gnashes his teeth, and becomes rigid.1 I asked Your disciples to drive it out, but they were unable.”

19“O unbelieving generation!” Jesus replied. “How long must I remain with you? How long must I put up with you? Bring the boy to Me.”

20So they brought him, and seeing Jesus, the spirit immediately threw the boy into a convulsion. He fell to the ground and rolled around, foaming at the mouth.

21Jesus asked the boy’s father, “How long has this been with him?”

“From childhood,” he said. 22“It often throws him into the fire or into the water, trying to kill him. But if You can do anything, have compassion on us and help us.”