Leviticus — Chapter 13

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1 And the LORD spake unto Moses and Aaron, saying,
2 When a man shall have in the skin of his flesh a rising, a scab, or bright spot, and it be in the skin of his flesh like the plague of leprosy; then he shall be brought unto Aaron the priest, or unto one of his sons the priests:
3 And the priest shall look on the plague in the skin of the flesh: and when the hair in the plague is turned white, and the plague in sight be deeper than the skin of his flesh, it is a plague of leprosy: and the priest shall look on him, and pronounce him unclean.
4 If the bright spot be white in the skin of his flesh, and in sight be not deeper than the skin, and the hair thereof be not turned white; then the priest shall shut up him that hath the plague seven days:
5 And the priest shall look on him the seventh day: and, behold, if the plague in his sight be at a stay, and the plague spread not in the skin; then the priest shall shut him up seven days more:
6 And the priest shall look on him again the seventh day: and, behold, if the plague be somewhat dark, and the plague spread not in the skin, the priest shall pronounce him clean: it is but a scab: and he shall wash his clothes, and be clean.
7 But if the scab spread much abroad in the skin, after that he hath been seen of the priest for his cleansing, he shall be seen of the priest again:
8 And if the priest see that, behold, the scab spreadeth in the skin, then the priest shall pronounce him unclean: it is a leprosy.
9 When the plague of leprosy is in a man, then he shall be brought unto the priest;
10 And the priest shall see him: and, behold, if the rising be white in the skin, and it have turned the hair white, and there be quick raw flesh in the rising;
11 It is an old leprosy in the skin of his flesh, and the priest shall pronounce him unclean, and shall not shut him up: for he is unclean.
12 And if a leprosy break out abroad in the skin, and the leprosy cover all the skin of him that hath the plague from his head even to his foot, wheresoever the priest looketh;
13 Then the priest shall consider: and, behold, if the leprosy have covered all his flesh, he shall pronounce him clean that hath the plague: it is all turned white: he is clean.
14 But when raw flesh appeareth in him, he shall be unclean.
15 And the priest shall see the raw flesh, and pronounce him to be unclean: for the raw flesh is unclean: it is a leprosy.
16 Or if the raw flesh turn again, and be changed unto white, he shall come unto the priest;
17 And the priest shall see him: and, behold, if the plague be turned into white; then the priest shall pronounce him clean that hath the plague: he is clean.
18 The flesh also, in which, even in the skin thereof, was a boil, and is healed,
19 And in the place of the boil there be a white rising, or a bright spot, white, and somewhat reddish, and it be shewed to the priest;
20 And if, when the priest seeth it, behold, it be in sight lower than the skin, and the hair thereof be turned white; the priest shall pronounce him unclean: it is a plague of leprosy broken out of the boil.
21 But if the priest look on it, and, behold, there be no white hairs therein, and if it be not lower than the skin, but be somewhat dark; then the priest shall shut him up seven days:
22 And if it spread much abroad in the skin, then the priest shall pronounce him unclean: it is a plague.
23 But if the bright spot stay in his place, and spread not, it is a burning boil; and the priest shall pronounce him clean.
24 Or if there be any flesh, in the skin whereof there is a hot burning, and the quick flesh that burneth have a white bright spot, somewhat reddish, or white;
25 Then the priest shall look upon it: and, behold, if the hair in the bright spot be turned white, and it be in sight deeper than the skin; it is a leprosy broken out of the burning: wherefore the priest shall pronounce him unclean: it is the plague of leprosy.
26 But if the priest look on it, and, behold, there be no white hair in the bright spot, and it be no lower than the other skin, but be somewhat dark; then the priest shall shut him up seven days:
27 And the priest shall look upon him the seventh day: and if it be spread much abroad in the skin, then the priest shall pronounce him unclean: it is the plague of leprosy.
28 And if the bright spot stay in his place, and spread not in the skin, but it be somewhat dark; it is a rising of the burning, and the priest shall pronounce him clean: for it is an inflammation of the burning.
29 If a man or woman have a plague upon the head or the beard;
30 Then the priest shall see the plague: and, behold, if it be in sight deeper than the skin; and there be in it a yellow thin hair; then the priest shall pronounce him unclean: it is a dry scall, even a leprosy upon the head or beard.
31 And if the priest look on the plague of the scall, and, behold, it be not in sight deeper than the skin, and that there is no black hair in it; then the priest shall shut up him that hath the plague of the scall seven days:
32 And in the seventh day the priest shall look on the plague: and, behold, if the scall spread not, and there be in it no yellow hair, and the scall be not in sight deeper than the skin;
33 He shall be shaven, but the scall shall he not shave; and the priest shall shut up him that hath the scall seven days more:
34 And in the seventh day the priest shall look on the scall: and, behold, if the scall be not spread in the skin, nor be in sight deeper than the skin; then the priest shall pronounce him clean: and he shall wash his clothes, and be clean.
35 But if the scall spread much in the skin after his cleansing;
36 Then the priest shall look on him: and, behold, if the scall be spread in the skin, the priest shall not seek for yellow hair; he is unclean.
37 But if the scall be in his sight at a stay, and that there is black hair grown up therein; the scall is healed, he is clean: and the priest shall pronounce him clean.
38 If a man also or a woman have in the skin of their flesh bright spots, even white bright spots;
39 Then the priest shall look: and, behold, if the bright spots in the skin of their flesh be darkish white; it is a freckled spot that groweth in the skin; he is clean.
40 And the man whose hair is fallen off his head, he is bald; yet is he clean.
41 And he that hath his hair fallen off from the part of his head toward his face, he is forehead bald: yet is he clean.
42 And if there be in the bald head, or bald forehead, a white reddish sore; it is a leprosy sprung up in his bald head, or his bald forehead.
43 Then the priest shall look upon it: and, behold, if the rising of the sore be white reddish in his bald head, or in his bald forehead, as the leprosy appeareth in the skin of the flesh;
44 He is a leprous man, he is unclean: the priest shall pronounce him utterly unclean; his plague is in his head.
45 And the leper in whom the plague is, his clothes shall be rent, and his head bare, and he shall put a covering upon his upper lip, and shall cry, Unclean, unclean.
46 All the days wherein the plague shall be in him he shall be defiled; he is unclean: he shall dwell alone; without the camp shall his habitation be.
47 The garment also that the plague of leprosy is in, whether it be a woollen garment, or a linen garment;
48 Whether it be in the warp, or woof; of linen, or of woollen; whether in a skin, or in any thing made of skin;
49 And if the plague be greenish or reddish in the garment, or in the skin, either in the warp, or in the woof, or in any thing of skin; it is a plague of leprosy, and shall be shewed unto the priest:
50 And the priest shall look upon the plague, and shut up it that hath the plague seven days:
51 And he shall look on the plague on the seventh day: if the plague be spread in the garment, either in the warp, or in the woof, or in a skin, or in any work that is made of skin; the plague is a fretting leprosy; it is unclean.
52 He shall therefore burn that garment, whether warp or woof, in woollen or in linen, or any thing of skin, wherein the plague is: for it is a fretting leprosy; it shall be burnt in the fire.
53 And if the priest shall look, and, behold, the plague be not spread in the garment, either in the warp, or in the woof, or in any thing of skin;
54 Then the priest shall command that they wash the thing wherein the plague is, and he shall shut it up seven days more:
55 And the priest shall look on the plague, after that it is washed: and, behold, if the plague have not changed his colour, and the plague be not spread; it is unclean; thou shalt burn it in the fire; it is fret inward, whether it be bare within or without.
56 And if the priest look, and, behold, the plague be somewhat dark after the washing of it; then he shall rend it out of the garment, or out of the skin, or out of the warp, or out of the woof:
57 And if it appear still in the garment, either in the warp, or in the woof, or in any thing of skin; it is a spreading plague: thou shalt burn that wherein the plague is with fire.
58 And the garment, either warp, or woof, or whatsoever thing of skin it be, which thou shalt wash, if the plague be departed from them, then it shall be washed the second time, and shall be clean.
59 This is the law of the plague of leprosy in a garment of woollen or linen, either in the warp, or woof, or any thing of skins, to pronounce it clean, or to pronounce it unclean.
Abrahamic Catechism
Bible Study
Leviticus — Chapter 13
◈ Zohar

• The Zohar (III:46a) teaches that tzara'at is not a medical condition but a visible manifestation of spiritual damage caused primarily by lashon hara (evil speech). Since speech is the function of Malkhut, misuse of speech creates blemishes in the Shekhinah herself, which are then reflected on the speaker's skin — the outermost garment of the soul. The white discoloration represents the withdrawal of the inner light from the surface, leaving a void where the klipot become visible.

• According to Zohar III:47b, the requirement that the kohen — and only the kohen — can diagnose and declare tzara'at reflects the principle that spiritual damage can only be assessed by one who embodies Chesed. A judge operating from Gevurah alone would condemn without discernment, but the priest sees through the eyes of compassion and can distinguish between affliction that is deepening and affliction that is healing. The Zohar teaches that the kohen's gaze itself carries curative power.

• Zohar III:48a explains that the seven-day isolation of the afflicted person corresponds to a journey through the seven lower Sefirot in reverse — a descent into the root of the blemish. During isolation, the metzora confronts the spiritual reality of their speech and its consequences, separated from the community whose unity they have damaged. The Zohar compares this to the soul's journey through the seven chambers of Gehinnom, where each chamber purifies a different dimension of transgression.

• The Zohar (III:49a) interprets the spreading of tzara'at as the expansion of the klipah that feeds on the spiritual energy released by evil speech. Each malicious word creates a parasitic shell that grows by consuming the light of the speaker's good deeds. When the affliction covers the entire body, paradoxically the person is declared pure — the Zohar explains this as the moment when the klipah has exhausted its host and, having no more light to consume, dies and falls away.

• According to Zohar III:50b, tzara'at on garments and houses (discussed in subsequent chapters) reveals that the consequences of spiritual sin extend beyond the body into one's possessions and dwelling, because all material objects are sustained by the same spiritual root as their owner. The Zohar teaches that the material world is a mirror of the soul, and when the inner reality is blemished, its reflection appears on every surface of one's life. This is why teshuvah (repentance) must address not just behavior but the root of one's being.

✦ Talmud

• The Talmud in Arakhin 15b teaches that tzara'at comes as punishment for lashon hara (evil speech), deriving this from Miriam's affliction after speaking against Moses. The Sages list seven sins that trigger tzara'at: evil speech, bloodshed, false oaths, sexual immorality, arrogance, theft, and stinginess. The Talmud understands tzara'at as a visible spiritual diagnosis — the body displaying what the soul has contracted. The 613 mitzvot include diagnostic tools.

• Negaim 1:1 (Mishnah, discussed in Sanhedrin 87a) establishes that only a qualified priest can diagnose tzara'at, even if a Torah scholar identifies the symptoms. The Talmud insists on priestly authority for the declaration because the pronouncement itself, not just the observation, changes the person's legal status. In the 613 mitzvot's system, authorized declaration creates reality — the word of the designated authority activates the spiritual consequence.

• The Talmud in Moed Katan 7b teaches that a priest may not examine suspected tzara'at on festivals or during a bridegroom's week of celebration, because the diagnosis would ruin the joy. The Sages display remarkable pastoral sensitivity — the diagnostic system includes compassionate timing. The 613 mitzvot balance enforcement with mercy, and even mandatory inspection yields to human happiness when timing permits.

• Shabbat 132b discusses the principle that the tzara'at examination involves precise color distinctions that require specific lighting conditions, and the Sages set detailed rules about what time of day and what kind of light is acceptable. The Talmud treats spiritual diagnosis with the rigor of medical diagnostics — inadequate conditions produce unreliable results. The 613 mitzvot's quality control extends to the circumstances under which they are applied.

• The Talmud in Sanhedrin 71a discusses the comparison between tzara'at on skin, clothing, and houses (later chapters), teaching that the affliction could manifest on different materials because it was spiritual, not merely biological. The Sages understood tzara'at as a condition of the soul that expressed itself through the physical environment — first the house, then the clothing, then the body, in escalating severity. The Sitra Achra's contamination follows a traceable path.