Matthew 8:2-4

Verse 2

And, behold, there came a leper - The leprosy λεπρα, from λεπις, a scale, was an inveterate cutaneous disease, appearing in dry, thin, white scurfy scales or scabs, either on the whole body, or on some part of it, usually attended with violent itching, and often with great pain. The eastern leprosy was a distemper of the most loathsome kind, highly contagious, so as to infect garments, (Lev 13:47, etc)., and houses, (Lev 14:34, etc)., and was deemed incurable by any human means. Among the Jews, God alone was applied to for its removal; and the cure was ever attributed to his sovereign power.

The various symptoms of this dreadful disorder, which was a striking emblem of sin, may be seen in Lev 13:14 :, where also may be read the legal ordinances concerning it; which, as on the one hand, they set forth how odious sin is to God, so, on the other, they represent the cleansing of our pollutions by the sacrifice and resurrection of Christ, by the sprinkling and application of his blood, and by the sanctifying and healing influences of the Holy Spirit.

The Greek name λεπρα, seems to have been given to this distemper, on account of the thin, white Scales (λεπιδες) with which the bodies of the leprous were sometimes so covered as to give them the appearance of snow, Exo 4:6; Num 12:10; 2Kgs 5:27.

Herodotus, lib. 1, mentions this disorder as existing, in his time, among the Persians. He calls it λευκην, the white scab; and says, that those who were affected with it were prohibited from mingling with the other citizens; and so dreadful was this malady esteemed among them that they considered it a punishment on the person, from their great god, the sun, for some evil committed against him. Dr. Mead mentions a remarkable case of this kind which came under his own observation. "A countryman whose whole body was so miserably seized with it that his skin was shining as covered with flakes of snow, and as the furfuraceous or bran-like scales were daily rubbed off, the flesh appeared quick or raw underneath." See the doctor's Medica Sacra, chap. 2. It was probably on account of its tendency to produce this disorder, in that warm climate, that God forbade the use of swine's flesh to the Jews. Feeding on this crude aliment, in union with the intemperate use of ardent spirits, is, in all likelihood, the grand cause of the scurvy, which is so common in the British nations, and which would probably assume the form and virulence of a leprosy, were our climate as hot as that of Judea. See the notes on Exo 4:6, and on Leviticus 13 (note) and Leviticus 14 (note).

Lord, if thou wilt, thou canst make me clean - As this leper may be considered as a fit emblem of the corruption of man by sin; so may his cure, of the redemption of the soul by Christ. A sinner, truly penitent, seeks God with a respectful faith; approaches him in the spirit of adoration; humbles himself under his mighty hand, acknowledging the greatness of his fall, and the vileness of his sin; his prayer, like that of the leper, should be humble, plain, and full of confidence in that God who can do all things, and of dependence upon his will or mercy, from which all good must be derived. It is peculiar to God that he need only will what he intends to perform. His power is his will. The ability of God to do what is necessary to be done, and his willingness to make his creatures happy, should be deeply considered by all those who approach him in prayer. The leper had no doubt of the former, but he was far from being equally satisfied in respect of the latter.
Verse 3

Jesus put forth his hand - I will; be thou clean - The most sovereign authority is assumed in this speech of our blessed Lord - I Will: there is here no supplication of any power superior to his own; and the event proved to the fullest conviction, and by the clearest demonstration, that his authority was absolute, and his power unlimited. Be thou cleansed, καθαρισθητι; a single word is enough.

And immediately his leprosy was cleansed - What an astonishing sight! A man whose whole body was covered over with the most loathsome disease, cleansed from it in a moment of time! Was it possible for any soul to resist the evidence of this fact? This action of Christ is a representation of that invisible hand which makes itself felt by the most insensible heart; of that internal word which makes itself heard by the most deaf; and of that supreme will which works every thing according to its own counsel.
Verse 4

Jesus saith - See thou tell no man - Had our Lord, at this early period, fully manifested himself as the Messiah, the people in all likelihood would have proclaimed him King; this, however, refused by him, must have excited the hatred of the Jewish rulers, and the jealousy of the Roman government; and, speaking after the manner of men, his farther preachings and miracles must have been impeded. This alone seems to be the reason why he said to the leper, See thou tell no man.

Show thyself to the priest - This was to conform to the law instituted in this case, Lev 14:1, etc.

Offer the gift - This gift was two living, clean birds, some cedar wood, with scarlet and hyssop, Lev 14:4, which were to be brought for his cleansing; and, when clean, two he lambs, one ewe lamb, three tenth deals of flour, and one log of oil, Lev 14:10; but if the person was poor, then he was to bring one lamb, one tenth deal of flour, one log of oil and two turtle doves, or young pigeons, Lev 14:21, Lev 14:22. See the notes on Leviticus 14 (note).

Now all this was to be done for a testimony to them; to prove that this leper, who was doubtless well known in the land, had been thoroughly cleansed; and thus, in this private way, to give full proof to the priesthood that Jesus was the true Messiah. The Jewish rabbins allowed that curing the lepers should be a characteristic of the Messiah; (see Bishop Chandler's Vindication); therefore the obstinacy of the priests, etc., in rejecting Christ, was utterly inexcusable.
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