Mark 9:18

18 and wherever it comes upon him, it dashes him to the ground, and he foams at the mouth and grinds his teeth, and he is pining away. I begged your disciples to expel it, but they had not the power."

Mark 9:18 Meaning and Commentary

Mark 9:18

And wheresoever he taketh him
The spirit, or devil, whether it be near fire, or water, whatsoever danger, or dangerous place:

he teareth him;
or throws him into it, or dashes him against it; or inwardly racks, tortures, and convulses him:

and he foameth;
at the mouth, like one that is mad:

and gnasheth with his teeth;
through the excessive pain he is in:

and pineth away;
his flesh is withered, dried up, and consumed away. This was the sad deplorable case this child was in, who was his father's only child, and therefore his health and life were very desirable: now he further observes to Christ, saying,

and I spake to thy disciples that they should cast him out, and
they could not.
Christ being absent, he entreated the disciples, who had power against unclean spirits, to cast them out; that they would make use of it, and dispossess this dumb and evil spirit; and who did make trial to cast him out, but were not able to effect it; (See Gill on Matthew 17:16).

Mark 9:18 In-Context

16 "What is the subject you are discussing?" He asked them.

17 "Rabbi," answered one of the crowd, "I have brought you my son. He has a dumb spirit in him;

18 and wherever it comes upon him, it dashes him to the ground, and he foams at the mouth and grinds his teeth, and he is pining away. I begged your disciples to expel it, but they had not the power."

19 "O unbelieving generation!" replied Jesus; "how long must I be with you? how long must I have patience with you? Bring the boy to me."

20 So they brought him to Jesus. And the spirit, when he saw Jesus, immediately threw the youth into convulsions, so that he fell on the ground and rolled about, foaming at the mouth.