Matthew 8:3

By the law of God, Leviticus 5:3, he that touched another who was unclean (as the leper was, Leviticus 13:1:57) was unclean; how then doth Christ (who was subject to the law) touch the leper? Some say he did not touch the unclean leper, but him that was a leper, and by his touch made clean. But it is a better answer, that by what Christ did as he was God (such were his miraculous operations) he could not contract any ritual uncleanness; and possibly under the law the priest was exempted from that uncleanness, for he came very near the leper in his office about him, expressed Leviticus 13:1:57. Nor do we read of any uncleanness contracted by Aaron in his performance of his office to Miriam under her leprosy, nor by the priests, 2 Chronicles 26:20, though it be said they thrust out Uzziah. Christ, by putting forth his hand, showed his kindness to this miserable creature; by healing him with a touch, he showed his Divine power. Saying, I will; be thou clean: he answereth him in his own term, I will, and then commands the thing. How acceptable is faith to God! And immediately his leprosy was cleansed, that is, removed; the word immediately confirms the miracle, it was not only a thing done without ordinary means, but without the ordinary time requisite for such a cure.