Luke 9:41-45

And Jesus answered and said, “You unbelieving and perverse generation, how long shall I be with you and put up with you? Bring your son here.”

Now while he was still approaching, the demon slammed him to the ground and threw him into a convulsion. But Jesus rebuked the unclean spirit, and healed the boy and gave him back to his father.

And they were all amazed at the greatness of God. But while everyone was astonished at all that He was doing, He said to His disciples,

“As for you, let these words sink into your ears: for the Son of Man is going to be handed over to men.”

But they did not understand this statement, and it was concealed from them so that they would not comprehend it; and they were afraid to ask Him about this statement. The Test of Greatness