15. As it is incredible that this man would mean, in giving this information, to betray his benefactor, who cured him of his inveterate disease of soul and body, one being the effect of the other, Commentators, in general, hold that he did this out of a feeling of gratitude, to make known and proclaim the glory of his benefactor, and possibly, with a view of making known to others labouring under bodily distempers, to what source they might profitably have recourse, for the recovery of bodily health.