This is the law concerning the plague of leprosy in a garment, whether linen or woollen. A leprosy in a garment, with discernible indications of it, the colour changed by it, the garment fretted, the nap worn off, and this in some one particular part of the garment, and increasing when it was shut up, and not to be got out by washing is a thing which to us now is altogether unaccountable. The learned confess that it was a sign and a miracle in Israel, an extraordinary punishment inflicted by the divine power, as a token of great displeasure against a person or family. 1. The process was much the same with that concerning a leprous person. The garment suspected to be tainted was not to be burnt immediately, though, it may be, there would have been no great loss of it; for in no case must sentence be given merely upon a surmise, but it must be shown to the priest. If, upon search, it was found that there was a leprous spot (the Jews say no bigger than a bean), it must be burnt, or at least that part of the garment in which the spot was, Lev 13:52, Lev 13:57. If the cause of the suspicion was gone, it must be washed, and then might be used, Lev 13:58. 2. The signification also was much the same, to intimate the great malignity there is in sin: it not only defiles the sinner's conscience, but it brings a stain upon all his employments and enjoyments, all he has and all he does. To those that are defiled and unbelieving is nothing pure, Tit 1:15. And we are taught hereby to hate even the garments spotted with the flesh, Jde 1:23. Those that make their clothes servants to their pride and lust may see them thereby tainted with a leprosy, and doomed to the fire, Isa 3:18-24. But the ornament of the hidden man of the heart is incorruptible, Pe1 3:4. The robes of righteousness never fret nor are moth-eaten.

He shall shut it up seven days more - To give time for the spreading of the contagion, if it did exist there; that there might be the most unequivocal marks and proofs that the garment was or was not infected.

This is the law of the plague of leprosy,.... The rules by which it was to be judged of; whether or no it was

in a garment of woollen, or linen, either the warp or woof, or any thing of skins; which include everything in which this sort of leprosy was:

to pronounce it clean, or to pronounce it unclean; either to declare it free from the plague of the leprosy, or as infected with it, and so accordingly dispose of it.

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The garment . . . that the . . . leprosy is in--It is well known that infectious diseases, such as scarlet fever, measles, the plague, are latently imbibed and carried by the clothes. But the language of this passage clearly indicates a disease to which clothes themselves were subject, and which was followed by effects on them analogous to those which malignant leprosy produces on the human body--for similar regulations were made for the rigid inspection of suspected garments by a priest as for the examination of a leprous person. It has long been conjectured and recently ascertained by the use of a lens, that the leprous condition of swine is produced by myriads of minute insects engendered in their skin; and regarding all leprosy as of the same nature, it is thought that this affords a sufficient reason for the injunction in the Mosaic law to destroy the clothes in which the disease, after careful observation, seemed to manifest itself. Clothes are sometimes seen contaminated by this disease in the West Indies and the southern parts of America [WHITLAW, Code of Health]; and it may be presumed that, as the Hebrews were living in the desert where they had not the convenience of frequent changes and washing, the clothes they wore and the skin mats on which they lay, would be apt to breed infectious vermin, which, being settled in the stuff, would imperceptibly gnaw it and leave stains similar to those described by Moses. It is well known that the wool of sheep dying of disease, if it had not been shorn from the animal while living, and also skins, if not thoroughly prepared by scouring, are liable to the effects described in this passage. The stains are described as of a greenish or reddish color, according, perhaps, to the color or nature of the ingredients used in preparing them; for acids convert blue vegetable colors into red and alkalis change then into green [BROWN]. It appears, then, that the leprosy, though sometimes inflicted as a miraculous judgment (Num 12:10; Kg2 5:27) was a natural disease, which is known in Eastern countries still; while the rules prescribed by the Hebrew legislator for distinguishing the true character and varieties of the disease and which are far superior to the method of treatment now followed in those regions, show the divine wisdom by which he was guided. Doubtless the origin of the disease is owing to some latent causes in nature; and perhaps a more extended acquaintance with the archÃ&brvbrology of Egypt and the natural history of the adjacent countries, may confirm the opinion that leprosy results from noxious insects or a putrid fermentation. But whatever the origin or cause of the disease, the laws enacted by divine authority regarding it, while they pointed in the first instance to sanitary ends, were at the same time intended, by stimulating to carefulness against ceremonial defilement, to foster a spirit of religious fear and inward purity.

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