Afterward the disciples came to Jesus privately and said, “Why could we not cast it out?”
Then Jesus rebuked the demon, and it came out of the boy, and he was healed from that hour.
Jesus said to them, “Because of your unbelief. For truly I say to you, if you have faith like a grain of mustard seed, you will say to this mountain, ‘Move from here to there,’ and it will move. Nothing will be impossible for you.
When he was alone, those who were around him, along with the twelve, asked him about the parable.
Now when Jesus came into the house, his disciples asked him privately, “Why could we not cast it out?”