Leviticus 13

Sugya Map

Issue

The sugya at hand grapples with two distinct, yet interconnected, linguistic peculiarities in the opening pesukim of Parashat Tazria (Leviticus 13:1-2) concerning tzara'at:

1. The Dual Address: Why does the Torah uniquely address "אל משה ואל אהרן" (to Moses and Aaron) regarding tzara'at, unlike many other mitzvot addressed solely to Moshe, or to Moshe to tell Bnei Yisrael?
2. The Conditional "כי יהיה": What is the precise dikduk and halachic implication of "אדם כי יהיה בעור בשרו" (when a person shall be on the skin of his body) as opposed to the more common "אדם אשר יהיה" (when a person is/has been)?

Nafka Mina(s)

• The nature of the Kohen's role in tzara'at: Is it purely diagnostic, or does it encompass a judicial/spiritual pronouncement? This impacts the scope of semichut Kohanim.
• The temporal application of tum'at neg'aim: Does a nega that appeared before Matan Torah, or on an individual not yet obligated in mitzvot (e.g., a katan or nochri), retroactively confer tumah once the conditions for obligation are met?
• The broader halachic principle of tumah applying "מן הדיבור ואילך" (from the Divine utterance onwards) in various contexts.

Primary Sources

• Leviticus 13:1-2
• Deuteronomy 21:5
• Negaim 3:1, 7:1
• Sifra, Tazria 36:1 (and elsewhere)

Text Snapshot

The sugya revolves around the opening lines of Leviticus 13:

• "וידבר יהוה אל משה ואל אהרן לאמר:"^1^
  • Dikduk/Leshon Nuance: The unusual dual address to both Moses and Aaron. Typically, Divine commands are given to Moses alone, or to Moses to convey to the Bnei Yisrael. The inclusion of Aaron here is a prominent exegetical focus.
• "אדם כי יהיה בעור בשרו שאת או ספחת או בהרת והיה בעור בשרו לנגע צרעת והובא אל אהרן הכהן או אל אחד מבניו הכהנים:"^2^
  • Dikduk/Leshon Nuance: The use of "כי יהיה" (when it shall be / should be) rather than "אשר יהיה" (when it is / has been). This subtle grammatical distinction, particularly the conditional/future tense implied by "כי", is plumbed for profound halachic implications by Acharonim. The verb "והובא" (and he shall be brought) further emphasizes the active role of bringing the afflicted to the Kohen.

Readings

Ramban: The Kohen's Sovereign Authority

Ramban (Nachmanides) on Leviticus 13:1:1^3^, echoing the Tur HaAroch^4^ and Midrash Lekach Tov^5^, addresses the unique "אל משה ואל אהרן" address. His chiddush lies in synthesizing scriptural and Mishnaic sources to establish the Kohen's indispensable and authoritative role in nega'im.

He opens by citing Deuteronomy 21:5, which states: "וכל ריב וכל נגע" (and every strife and every affliction shall be upon their word), attributing ultimate judicial authority in such matters to the Kohanim. This verse, often understood in a broader judicial context, is here specifically applied to tzara'at. For Ramban, tzara'at is not merely a physical malady requiring a medical diagnosis, but a divinely ordained affliction with spiritual roots (often linked to lashon hara)^6^, demanding a spiritual-judicial pronouncement.

He then immediately brings Negaim 3:1: "הכל כשרים לראות את הנגעים, אלא שאין מטמאין ואין מטהרין אלא כהן" (All are qualified to inspect the nega'im, but only a Kohen may pronounce them impure or pure). This Mishnaic dictum underscores that while anyone, even an unskilled Kohen, can observe the physical signs, the halachic power of tumah or taharah rests exclusively with the Kohen. If a Kohen is unlearned, a Chacham (sage) instructs him on what to pronounce. The Minchat Shai^7^ simply notes the parsha petucha (open paragraph break) here, a structural marker which often signals a new, significant topic. Reggio^8^ concisely states that Moses was to tell Aaron, emphasizing the Kohen's role in tumah and taharah.

Ramban further distinguishes the address concerning tzara'at from other mitzvot. He notes that the customary "דבר אל בני ישראל" (Speak to the Children of Israel) is absent here, because it is the Kohanim who "force them to be quarantined and be cleansed." Conversely, regarding the cleansing of the metzora (Leviticus 14:1-2), the address is also not "אל בני ישראל", because "there is no need to urge the Israelite to become cleansed... nor to urge the priest to perform the rites of the offerings, as they do so willingly." This highlights the Kohen's proactive enforcement in the initial stage of tumah, versus the willing participation in the later stage of taharah.

Finally, Ramban contrasts this with the zav (Leviticus 15:2), where the Torah does say "דבר אל בני ישראל", because "since the matter is of an intimate nature, unknown to others, He admonished them that they should each inform the priest of their sickness."^9^ This nuanced analysis reveals Ramban's view of the Kohen's authority as dynamic, adapting to the specific nature and public visibility of the tumah.

Malbim: "כי יהיה" – A Temporal Boundary for Tumah

Malbim, in his commentary on Tazria 36:1^10^ and further expounded in Ayelet HaShachar 104:1-2^11^, presents a penetrating linguistic chiddush regarding the choice of "כי יהיה" over "אשר יהיה". This distinction is far from pedantic; it forms the bedrock of a significant halachic principle.

Malbim asserts that "אשר" (which/that) denotes an inherent, existing quality or possession ("קנין הנמצא בעצם אף מכבר" — a possession existing inherently, even from long ago). Conversely, "כי" (when/if) designates a future, conditional action or event ("מציין רק כי יהי׳ מעתה" — indicates only that it shall be from now on; or "מציין הפעולה העתידה" — designates a future action).

Applying this to tzara'at, Malbim argues that the Torah's use of "כי יהיה" teaches that tum'at neg'aim applies only from the moment of the Divine utterance (Matan Torah) onwards. A nega that manifested before Matan Torah, or in a state where the individual was not yet subject to the laws of tumah (e.g., a katan [minor], a nochri [non-Jew], or in a context where nega'im do not apply such as certain types of burns or scars), does not render impure even if it later meets all the criteria. This is encapsulated in the Chazal dictum "כי יהיה מן הדיבור ואילך" (Sifra, Tazria 36:1)^12^.

Malbim meticulously details various scenarios where this principle applies: a nega on a katan who later matures, or on a nochri who later converts; or a nega appearing in a location or circumstance that normally does not confer tumah (e.g., in a kemet [crease], or certain types of shchin, mechvah, kedach before they healed properly)^13^. In all these cases, even if the conditions for tumah are subsequently met, the nega is tahor because it originated in a state of exemption, analogous to a nega existing "לפני הדיבור" (before the Divine utterance).

This is a powerful conceptual framework, demonstrating how a seemingly minor linguistic choice can encode a fundamental halachic boundary, establishing that tumah in these contexts is not merely an inherent state of defect, but a status conferred by divine decree from a specific point in time.

Friction

The Linguistic Anomaly: Consistency of "כי" vs. "אשר"

Malbim's sharp distinction between "כי" and "אשר" as markers of temporal application or inherent status is compelling, yet it immediately raises a kushya regarding its broader consistency across Tanakh. If "כי" always implies "from now on" or a future contingency, and "אשר" an existing reality, why do we find seemingly contradictory usage?

For instance, the mitzvah of Shabbat is predicated on "כי ששת ימים עשה ה' את השמים ואת הארץ" (Exodus 20:11)^14^, where "כי" introduces a reason based on a past, existing act of creation. Yet, the mitzvah of Shabbat only became binding from Matan Torah, not retroactively on previous generations. This seems to align with Malbim's result for tzara'at (binding from Matan Torah) but uses "כי" for a past event, not a future one. Conversely, regarding blemished sacrifices, the Torah states "אשר יהיה בו מום" (Leviticus 22:20)^15^, where "אשר" correctly implies an existing blemish. However, other instances might challenge the universality of Malbim's rule. Is this a rigid dikduk rule, or a contextual derasha applied selectively?

Terutz: Contextual Linguistic Precision and Chazalic Derasha

The resolution lies in understanding Malbim's methodology: his linguistic analysis is often employed to explain or ground existing Chazalic derashot, rather than to derive new halachot ex nihilo from dikduk alone.

Malbim himself clarifies in Ayelet HaShachar^16^ that the distinction between "כי" and "אשר" is specifically employed by the Torah in contexts where it wishes to delineate a temporal boundary. He states: "ולכן בכל מקום שירצה לבאר שהדבר אינו נוהג רק מכאן ואילך – כמו בצרעת ובזיבה, שצרעת וזיבה שלפני הדיבור אינו מטמא – תפס מלת 'כי' תחת מלת 'אשר' בכל מקום" (Therefore, in every place where it wishes to explain that the matter applies only from here onwards – as in tzara'at and zivah, where tzara'at and zivah before the dibbur do not render impure – it uses the word 'כי' instead of 'אשר' in every place). Conversely, "ובמקום שירצה לומר שאף אם היה בו דבר זה מכבר נוהג הדין – כמו במה שכתוב 'אשר יהיה בו מום' – תפס מלת 'אשר'" (And in a place where it wishes to say that even if this matter existed from long ago, the law applies – as it is written 'אשר יהיה בו מום' – it uses the word 'אשר').

Thus, Malbim is not asserting a universal grammatical rule applicable to every instance of "כי" or "אשר" in Tanakh. Rather, he identifies this specific linguistic pattern as a deliberate choice of the Torah in certain halachic contexts – particularly those of tumah for nega'im and zavim – to convey the Chazalic derasha "מן הדיבור ואילך". The derasha itself (from Sifra, Negaim 7:1)^17^ is the primary halachic datum, and Malbim's linguistic insight provides a profound ta'am (reason) and explanatory framework for it within the Torah's precise language. The apparent discrepancy with Shabbat is thus resolved: the "כי" there introduces a reason, not a temporal boundary for the mitzvah's inception. The Torah's language is precise, but its precision is context-dependent, serving the specific halachic message.

Intertext

Deuteronomy 21:5: The Kohen's Judicial Authority

The pasuk "כי יפלא ממך דבר למשפט בין דם לדם בין דין לדין ובין נגע לנגע דברי ריבת בשעריך וקמת ועלית אל המקום אשר יבחר יהוה אלהיך. ובאת אל הכהנים הלוים ואל השפט אשר יהיה בימים ההם ודרשת והגידו לך את דבר המשפט"^18^ (If a matter is too baffling for you to decide, between blood and blood, between judgment and judgment, between affliction and affliction, words of strife in your gates, then you shall arise and go up to the place that the Lord your God shall choose. And you shall come to the Kohanim the Levites and to the judge who shall be in those days, and you shall inquire, and they shall tell you the word of judgment.) This verse is crucial as it explicitly grants the Kohanim (alongside judges) authority over matters of "נגע לנגע" (affliction concerning affliction). Ramban^19^ and Tur HaAroch^20^ both leverage this pasuk to explain the "אל משה ואל אהרן" address in Leviticus 13:1. It elevates the Kohen's role beyond mere observation to that of a judicial pronouncer, whose word determines tumah or taharah. This is not a medical diagnosis but a halachic judgment, underscoring the spiritual dimension of tzara'at.

Sifra, Tazria 36:1 & Negaim 7:1: "מן הדיבור ואילך"

The foundational derasha for Malbim's linguistic analysis is found in the Sifra: "אדם כי יהיה... מן הדיבור ואילך"^21^ (When a person shall be... [this applies] from the Divine utterance onwards). This terse statement from Chazal is the source for the halacha that tum'at neg'aim (and by extension, tum'at yoladot and tum'at zavim) only takes effect after the giving of the Torah. The Sifra further elaborates: "אלו בהרות טהורות: שהיה בו קודם מתן תורה, בנכרי ונתגייר, בקטן ונתגייר. וכן אם נולד הנגע בשחין ובמכוה ובקדח המורדין"^22^ (These are pure lesions: one that existed before Matan Torah, on a non-Jew who converted, on a minor who became an adult. And similarly if the nega appeared in unhealed boils, burns, or inflammations). This clearly outlines the nafka mina of Malbim's "כי יהיה" discussion, providing the halachic basis that the nega must begin in a state of obligation to confer tumah.

Psak/Practice

The halachic implications of these discussions are profound and squarely land in practical halacha. Malbim's analysis of "כי יהיה מן הדיבור ואילך" is not merely an academic exercise but a cornerstone of the laws of tum'at neg'aim.

Rambam codifies this principle explicitly: "אין מטמאין בנגעים אלא ישראל גדולים, אבל קטן וגוים אינם מטמאין בנגעים כלל. ואם היה נגע בקטן וגדל, בנכרי ונתגייר... הרי זה טהור, שהנגע שנתהוה בו בשעה שאינו ראוי לטומאה אינו מטמא לעולם"^23^ (Only adult Israelites become impure through nega'im; minors and non-Jews never become impure through nega'im. If a nega was on a minor and he grew up, or on a non-Jew and he converted... it is pure, for a nega that developed on him when he was not subject to tumah never renders impure). This is further echoed in the Shulchan Aruch^24^. The principle is clear: the nega must begin in a state where the individual is obligated in mitzvot and susceptible to tum'at neg'aim.

Ramban's emphasis on the Kohen's unique authority also translates directly into halacha. The Kohen's pronouncement is indispensable for tumah or taharah. Without it, no change in status occurs, even if the physical signs are objectively present or absent^25^. This underscores the meta-psak heuristic that tum'at neg'aim is not a natural phenomenon but a divinely instituted status, mediated through the Kohen.

Takeaway

The seemingly subtle linguistic cues in Leviticus 13:1-2, particularly the dual address and choice of verb tense, reveal foundational halachic principles: the Kohen's indispensable and authoritative role in tumah pronouncements, and the temporal limitations on the application of tum'at neg'aim to individuals obligated in mitzvot from Matan Torah onwards.

---

^1^ Leviticus 13:1. ^2^ Leviticus 13:2. ^3^ Ramban on Leviticus 13:1:1 s.v. "וידבר ה' אל משה ואל אהרן". ^4^ Tur HaAroch on Leviticus 13:1:1 s.v. "אל משה ואל ואהרן". ^5^ Midrash Lekach Tov on Leviticus 13:1:2 s.v. "הוצרכה הפרשה להאמר". ^6^ Ramban on Leviticus 13:47:1. ^7^ Minchat Shai on Torah, Leviticus 13:1:1 s.v. "וידבר דאדם כי יהיה". ^8^ Reggio on Torah, Leviticus 13:1:1 s.v. "אל משה ואל אהרן". ^9^ Ramban on Leviticus 15:2:1. ^10^ Malbim on Leviticus, Tazria 36:1 s.v. "אדם כי יהיה". ^11^ Malbim Ayelet HaShachar 104:1-2 s.v. "וגם יש הבדל". ^12^ Sifra, Tazria 36:1. See also Negaim 7:1. ^13^ Malbim on Leviticus, Tazria 36:1. ^14^ Exodus 20:11. ^15^ Leviticus 22:20. ^16^ Malbim Ayelet HaShachar 104:1-2. ^17^ Sifra, Negaim 7:1. ^18^ Deuteronomy 21:5. ^19^ Ramban on Leviticus 13:1:1. ^20^ Tur HaAroch on Leviticus 13:1:1. ^21^ Sifra, Tazria 36:1. ^22^ Sifra, Negaim 7:1. ^23^ Rambam, Mishneh Torah, Hilchot Tumat Tzara'at 1:2-3. ^24^ Shulchan Aruch, Yoreh De'ah 179:1-2. ^25^ Negaim 3:1.