Howbeit this kind goeth not out but by prayer and fasting.
21. This kind goeth not out, “Cest espece [de diablos] ne sort point;” — “this kind [of devils] goeth not out.” By this expression Christ reproved the negligence of certain persons, in order to inform them that it was not an ordinary faith which was required; for otherwise they might have replied that they were not altogether destitute of faith The meaning therefore is, that...
We have here the miraculous cure of a child that was lunatic and vexed with a devil. Observe, I. A melancholy representation of the case of this child, made to Christ by the afflicted father. This was immediately upon his coming down from the mountain where he was transfigured. Note, Christ's glories do not make him unmindful of us and of our wants and miseries.
Commenting on Matthew 17:14-21
Howbeit, this kind goeth not out,.... The Vulgate Latin renders it, "is not cast out"; and so do the Arabic version, and Munster's Hebrew Gospel; and which confirm the more commonly received sense of these words, that they are to be understood of that kind of devils, one of which was cast out of the lunatic, and was of the worst sort, of a fierce...