Matthew 17:19

Then the disciples came to Jesus privately, and said, "Why weren't we able to cast it out?"

When he was alone, those who were around him with the twelve asked him about the parables.

When he had come into the house, his disciples asked him privately, "Why couldn't we cast it out?"

Treasury of Scripture Knowledge

Then came the disciples to Jesus apart, and said, Why could not we cast him out?

When he was alone, those who were around him with the twelve asked him about the parables.

When he had come into the house, his disciples asked him privately, "Why couldn't we cast it out?"