Jesus answered, "You faithless and perverse generation, how much longer must I be with you? How much longer must I put up with you? Bring him here to me."
And Jesus rebuked the demon, and it came out of him, and the boy was cured instantly.
References for Matthew 17:18
Then the disciples came to Jesus privately and said, "Why could we not cast it out?"
He said to them, "Because of your little faith. For truly I tell you, if you have faith the size of a mustard seed, you will say to this mountain, "Move from here to there,' and it will move; and nothing will be impossible for you."
References for Matthew 17:20
References for Matthew 17:21
As they were gathering in Galilee, Jesus said to them, "The Son of Man is going to be betrayed into human hands,
References for Matthew 17:22
and they will kill him, and on the third day he will be raised." And they were greatly distressed.
When they reached Capernaum, the collectors of the temple tax came to Peter and said, "Does your teacher not pay the temple tax?"
References for Matthew 17:24
He said, "Yes, he does." And when he came home, Jesus spoke of it first, asking, "What do you think, Simon? From whom do kings of the earth take toll or tribute? From their children or from others?"
When Peter said, "From others," Jesus said to him, "Then the children are free.
References for Matthew 17:26
However, so that we do not give offense to them, go to the sea and cast a hook; take the first fish that comes up; and when you open its mouth, you will find a coin; take that and give it to them for you and me."
References for Matthew 17:27