Et venit ad eum leprosus deprecans eum, etc. De hoc leproso mundato connectit, ut ipse intelligatur quem Matthaeus commemorat tunc esse mundatum, quando post illum sermonem Dominus de monte descendit. Sic enim ait Matthaeus: Cum autem descendisset de monte, secutae sunt eum turbae multae (Matth. VIII). Et ecce leprosus veniens adorabat eum dicens: Domine, si vis, potes me mundare, etc. Et quia Dominus ait: Non veni solvere legem, sed adimplere (Matth. V), ille qui excludebatur a lege, purgari se Domini potestate praesumens, non ex lege sed supra legem esse gratiam judicabat, quae leprosi maculam posset abluere. Verum ut in Domino potestatis auctoritas, ita in illo fidei constantia declaratur. Ille in faciem procidit, quod humilitatis est et pudoris, ut unusquisque de suae vitae maculis erubescat; sed confessionem verecundia non repressit. Ostendit vulnus, remedium postulavit, et ipsa religionis et fidei plena confessio est. Si vis, inquit, potes me mundare. In voluntate Domini tribuit potestatem. De voluntate autem Domini non quasi pietatis incredulus dubitavit, sed quasi colluvionis suae conscius non praesumpsit. Jesus autem misertus ejus extendit manum suam, et tangens eum ait illi: Volo, mundare. Et cum dixisset, statim discessit ab eo lepra, et mundatus est. Nihil medium est inter opus Dei atque praeceptum, quia in praecepto est opus. Denique dixit et facta sunt (Psal. XXXII). Vides ergo quod dubitari non potest quia voluntas Dei potestas sit? Si ergo voluntas ejus potestas est, qui unius voluntatis asserunt, unius utique asserunt potestatis. Itaque quasi potestatem habens sanandi, et jubendi auctoritatem, operandi testimonium non refugit. Volo enim dicit propter Photinum, imperat propter Arium, tangit propter Manichaeum. Et lex quidem tangi leprosos prohibet; sed quia Dominus legis est, non obsequitur legi, sed legem facit. Non ergo ideo tetigit, quia sine tactu mundari non poterat, sed ut probaret quia subjectus non erat legi. Nec contagium timebat ut homines, sed quia contaminari non poterat qui alios liberabat, lepra tactu Domini fugatur, quae solebat contaminare tangentem. Simulque illud mirabile, quod eo sanavit genere, quo fuerat obsecratus. Si vis, potes me mundare. Volo, inquit, mundare. Habes voluntatem, etiam habes pietatis effectum. Non ergo (ut plerique Latinorum putant) jungendum est et legendum Volo mundare, sed separatum, ut primum dicat volo, deinde imperet, mundare.
And there came to Him a leper beseeching Him, etc. He joins on this leper's cleansing, so that he is understood to be the one whom Matthew records was then cleansed, when after that sermon the Lord came down from the mount. For thus Matthew says: And when He had come down from the mount, great crowds followed Him (Matt. 8:1). And behold, a leper coming worshipped Him, saying: Lord, if Thou wilt, Thou canst make me clean, etc. And since the Lord says: I came not to destroy the law, but to fulfil it (Matt. 5:17), he who was shut out by the law, presuming that he would be purified by the Lord's power, judged that the grace which could wash away the leper's stain was not from the law but above the law. And as the authority of power is declared in the Lord, so is the constancy of faith in him. He falls on his face, which is a mark of humility and of shame, so that each one may blush for the stains of his own life; but shame did not hold back confession. He showed the wound, he asked for the remedy, and the confession itself is full of religion and faith. If Thou wilt, he says, Thou canst make me clean. He attributed power to the Lord's will. Yet he did not doubt the Lord's will as one unbelieving of His mercy, but as one conscious of his own foulness he did not presume. And Jesus, having compassion on him, stretched out His hand, and touching him said to him: I will; be made clean. And when He had said it, straightway the leprosy departed from him, and he was made clean. There is nothing between the work of God and His command, because the work is in the command. In short, He spoke and they were made (Ps. 32:9). Do you see, then, that it cannot be doubted that the will of God is power? If, then, His will is power, those who assert one will assert, surely, one power. And so, as one having the power to heal and the authority to command, He does not shrink from the witness of working. For He says I will on account of Photinus, He commands on account of Arius, He touches on account of the Manichaean. And the law indeed forbids lepers to be touched; but since He is the Lord of the law, He does not obey the law, but makes the law. He touched, then, not because he could not be cleansed without a touch, but to prove that He was not subject to the law. Nor did He fear contagion as men do, but since He Who set others free could not be defiled, the leprosy, which was wont to defile the one who touched it, is put to flight by the Lord's touch. And at the same time this is wonderful, that He healed in the very form in which He had been entreated. If Thou wilt, Thou canst make me clean. I will, He says; be made clean. You have the will; you have also the effect of His mercy. It is not, then (as many of the Latins think), to be joined and read I will to cleanse, but separately, so that He first says I will, and then commands, be made clean.