“And Jesus put forth his hand, and touched him, saying, I will; be thou clean. And immediately his leprosy was cleansed.”
And Jesus stretched out his hand and touched him, saying, I will; be clean. And immediately his leprosy was cleansed. The touch is the scandalous act: Jesus touches the leper, which by the law would make Jesus ritually impure. Instead, the cleanness flows from Jesus to the leper — the direction of the contagion is reversed. The leper becomes clean rather than Jesus becoming unclean. This is the pattern of Jesus' entire ministry: he enters the space of the defiled and the excluded and his holiness overwhelms the defilement rather than being contaminated by it. The immediately communicates the completeness and speed of the healing. I will — Jesus affirms what the leper asked: not only can he, but he will. His will aligns with the leper's desire for restoration.
Church Fathers on Matthew 8:3
After the preaching and teaching, is offered an occasion of working miracles, that by mighty works following, the preceding doctrine might be confirmed.
Because He taught them as one having authority, that He might not thence be supposed to use this method of teaching from ostentation, He does the same in works, as one having power to cure; and therefore, 'When Jesus descended from the mountain, great multitudes followed him.'
While the Lord taught on the mount, the disciples were with Him, for to them it was given to know the secret things of the heavenly doctrine; but now as He came down from the mount the crowds followed Him, who had been altogether unable to ascent into the mount. They that are bowed by the burden of sin cannot climb to the sublime mysteries. But when the Lord came down from the mount, that is, stooped to the infirmity, and helplessness of the rest, in pity to their…