Important Message Regarding This Lesson
The Daily Mitzvah schedule runs parallel to the daily study of 3 chapters of Maimonides' 14-volume code. There are instances when the Mitzvah is repeated a few days consecutively while the exploration of the same Mitzvah continues in the in-depth track.
Positive Commandment 108 (Digest)
The Purifying Waters of the Red Heifer
We are commanded regarding the laws of the Mei Nidah[the waters in which the ashes of the Red Heifer have been mixed]; the conditions under which they purify [one who is ritually impure as a result of contact with a corpse] and the conditions under which they cause ritual impurity [to the one who handles them].
Unabridged English Text of this Mitzvah »
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> The 108th mitzvah is that we are commanded to follow the laws regarding mei niddah:;) that in some cases it will make [something which was previously tameh] tahor, and in other cases make [something which was previously tahor] tameh, as explained in the section dealing with this mitzvah.;)
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> You should be aware that the 13 forms of tumah listed above;) — namely, neveilah, sheratzim, foods, niddah, a woman who has given birth, a leprous person, a leprous garment, a leprous house, zav, zavah, semen, a dead body, and mei niddah — as well as the purification procedure for each, are all explicitly stated in Scripture. Each mitzvah contains numerous verses, laws and conditions, as written in the Torah portions Vay'hi BaYom HaShemini,;)Ishah Ki Tazriah,;)Zos Tihiyeh,;) and Vayik'chu Eilechah Parah Adumah.;) These four Torah portions contain all the verses which speak of the forms of tumah.
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> However, the laws governing these forms of tumah in general, and the details regarding each one in particular are all found in Seder Taharos. Some categories are covered in particular tractates, such as tractate Taharos, Machshirim and Uktzin. These three tractates deal solely with, and were written to explain the tumah of foods . Any mention of other forms of tumah is incidental. Tractate Niddah includes the laws of tumas niddah, zavah, and a woman who has given birth. Tractate Kerisus also contains some laws of a woman who has given birth. Tractate Negaim contains the laws of leprous people, garments and houses. Tractate Zavim contains the laws regarding a zav, zavah and semen. Tractate Ohalos contains the laws of tumas meis. Tractate Parah contains the laws of mei niddah — when it conveys tumah and when taharah.
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> The tumah of neveilah and sheretz, however, are not limited to any particular tractates. Their laws are scattered throughout this Seder [i.e., Taharos], mostly and primarily in Keilim and Taharos. Tractate Ediyos also deals with many questions of this sort.
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> We have already written a commentary on this entire Sefer, i.e., Taharos,;) that makes it unnecessary to consult any other book for anything related to tumah and taharah.
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> Footnotes
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> Well water which has the ashes of the red heifer mixed in. See P113.
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> See Hilchos Parah Adumah, Ch. 15. In general, when sprinkled on a person who is tameh, it will make him tahor. If the person was tahor, and the water was not yet used, it will make him tameh.
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> In the order of Sefer HaMitzvos, this mitzvah is the last among the forms of tumah (P96 — P108). In general, the Rambam writes by each mitzvah where in the Mishneh or Gemara it is discussed. Here, the Rambam lists the sources for all 13 mitzvos together.
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> Lev. 11.
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> Ibid., 12-13.
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> Ibid., 14-15.
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> Num. 19.
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> I.e., the Rambam's commentary to the Mishneh.
Positive Commandment 101 (Digest)
Ritual Impurity of a Metzora
The mitzvah regarding the ritual impurity of the metzora (a person suffering from tzaraat, a skin discoloration described in the Torah). This mitzvah includes all the laws applicable to this impurity: what types [of discolorations render a person] impure, and what types [do not]; which types of this impurity require quarantine, and which do not; the laws associated with the quarantine, i.e., shaving [the hair surrounding a tzaraat lesion in an area of hair]; and all other laws associate with tzaraat and the gradations of its impurity.
Unabridged English Text of this Mitzvah »
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> The 101st mitzvah is that we are commanded regarding the tumah of a leprous person . This mitzvah includes all the laws regarding a leper — which cases are tameh and which tahor; when and when not the person is placed in quarantine; when shaving, known as tiglachas hanesek,;) is required along with the quarantine and the other details including how the tumah is conveyed.
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> Footnotes
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> One shaves the hair surrounding the affected area to determine if it has grown.