2 “And as they went out,” it is said, “behold, they brought unto Him a dumb man possessed with a devil.”
For the affliction was not natural, but the device of the evil spirit; wherefore also he needs others to bring him. For he could neither make entreaty himself, being speechless, nor supplicate others, when the evil spirit had bound his tongue, and together with his tongue had fettered his soul.
For this cause neither does He require faith of him, but straightway heals the disease.
“For when the devil was cast out,” it says, “the dumb spoke: and the multitudes marvelled, saying, It was never so seen in Israel.”
Now this especially vexed the Pharisees, that they preferred Him to all, not only that then were, but that had ever been. And they preferred Him, not for His healing, but for His doing it easily and quickly, and to diseases innumerable and incurable.
And thus the multitude; but the Pharisees quite contrariwise; not only disparaging the works, but saying things contradictory to themselves, and not ashamed. Such a thing is wickedness. For what say they?
“He casts out devils through the prince of the devils.”
What can be more foolish than this? For in the first place, as He also says further on, it is impossible that a devil should cast out a devil, for that being is wont to repair what belongs to himself, not to pull it down. But He did not cast out devils only, but also cleansed lepers, and raised the dead, and curbed the sea, and remitted sins, and preached the kingdom, and brought men unto the Father; things which a demon would never either choose, or at any time be able to effect. For the devils bring men to idols, and withdraw them from God, and persuade them to disbelieve the life to come. The devil does not bestow kindness when he is insulted; forasmuch as even when not insulted, he harms those that court and honor him.
But He does the contrary. For after these their insults and revilings,
Source: Homilies on the Gospel of St. Matthew (New Advent)