Mark 9:17

And whenever it takes hold of him, it throws him down, and he foams and gnashes with his teeth, and he becomes unconscious. And I asked your disciples to cast him out, and they could not.

Other versions

King James Version

And one of the multitude answered and said, Master, I have brought unto thee my son, which hath a dumb spirit;

English Standard Version

And someone from the crowd answered him, "Teacher, I brought my son to you, for he has a spirit that makes him mute.

New International Version

A man in the crowd answered, "Teacher, I brought you my son, who is possessed by a spirit that has robbed him of speech.