Luke 9:38-40

38Suddenly a man in the crowd cried out, “Teacher, I beg You to look at my son, for he is my only child. 39A spirit keeps seizing him, and he screams abruptly. It throws him into convulsions so that he foams at the mouth. It keeps mauling him and rarely departs from him. 40I begged Your disciples to drive it out, but they were unable.”