Luke 9:41

As if not knowing how to continue in the right beginnings. Now Christ disdains to dwell with those who are thus disposed. Hence He says, How long shall I be with you, and suffer you? Feeling troubled with their company, because of their evil deeds.

Not that weariness has overcome His patience, but after the manner of a physician, when he sees a sick man acting contrary to his commands, he says, 'How long shall I come to thy house, when I order one thing, you do another. But to prove that He was not angry with the man, but with the sin, He immediately added, Bring thy son hither.

By the word perverse, He shows that this wickedness in them was not originally or by nature, for by nature indeed they were upright, being the seed of Abraham, but became perverted through malice.

He then seems to accuse the disciples, but his answer is rather a justification of his casting aside his fear, saying, And I besought thy disciples to cast him out: and they could not. As if he said, Think not that I have come lightly unto Thee. Marvellous is Thy greatness! I did not intrude upon Thy presence at once, but went first to Thy disciples. Because they failed to work the cure, I am now compelled to approach Thee. Our Lord therefore does not blame him, but the faithless generation; for it follows, And Jesus answering said, O faithless and perverse generation.