Matthew 12:29

Having then uttered His second refutation, He adds also a third, thus saying: "How can one enter into the strong man's house, and spoil his goods, except he first bind the strong man, and then spoil his goods?" For that Satan cannot possibly cast out Satan is evident from what hath been said; but that neither in any other way is it possible to cast him out, except one first get the better of him, this too is acknowledged by all. What then is established hereby? The former statement, with more abundant evidence. "Why, I am so far," saith He, "from using the devil as an ally, that I make war upon him, and bind him; and an infallible proof thereof is the plundering of his goods." See how the contrary is proved, of what they were attempting to establish. For whereas they wished to show, that not by His own power doth He cast out devils, He shows that not only the devils, but even their very chief leader is held by Him bound with all authority; and that over him, before them, did He prevail by His own power. And this is evident from the things that are done. For if he be the prince, and they subjects, how, except he were worsted, and made to bow down, could they have been spoiled? And here His saying seems to me to be a prophecy likewise. For not only, I suppose, are the evil spirits the goods of the devil, but also the men that are doing his works. Therefore to declare that He doth not only cast out devils, but also will drive away all error from the world, and will put down his sorceries, and make all his arts useless, He said these things. And He said not, He will take away, but "He will spoil," to express what is done with authority. But He calls him "strong," not because he is so by nature, God forbid, but declaring his former tyranny, which arose from our remissness.

His house is this world, which is set in evil, not by the majesty of the Creator, but by the greatness of the sinner. The strong man is bound and chained in tartarus, bruised by the Lord's foot. Yet ought we not therefore to be careless; for here the conqueror Himself pronounces our adversary to be strong.

(ubi sup.) For he held us, that we should not by our own strength be able to free ourselves from him, but by the grace of God. By his goods, he means all the unbelievers. He has bound the strong man, in that He has taken away from him all power of hindering the faithful from following Christ, and gaining the kingdom of heaven.

Therefore He has spoiled his house, in that them whom He foresaw should be His own, He set free from the snares of the Devil, and has joined to the Church. Or in that He has divided the whole world among His Apostles and their successors to be converted. By this plain parable therefore He shows that He does not join in a deceitful working with the dæmons as they falsely accused Him, but by the might of His divinity He frees men from the dæmons.