So He said to them, "This kind can come out by nothing but prayer and fasting."
9:28 And when He had come into the house, His disciples asked Him privately, "Why could we not cast it out?"
9:29 So He said to them, "This kind can come out by nothing but prayer and fasting."
9:30 Then they departed from there and passed through Galilee, and He did not want anyone to know it.