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Tzitzit (Ashkenazi pronunciation: tzitzis) are fringes or tassles (Hebrew: ציצת (Biblical), ציצית (Mishnaic)) found on a tallit worn by observant Jews as part of practicing Judaism. In Orthodox Judaism it is only worn by males.
The Torah states in Numbers 15:38: "Speak to the children of Israel and you shall say to them that they shall make for themselves fringes on the corners of their garments, throughout their generations, and they shall affix a thread of blue (Hebrew: תכלת - tekhelet) on the fringe of each corner."
Tzitzit are also commanded in Deuteronomy 22:12, which says: "You shall make yourself twisted threads, on the four corners of your garment with which you cover yourself."
Tzitzit are attached today only to Jewish religious garments, such as a tallit gadol (large prayer shawl). This is due in part to the fact that today's typical garment does not have the required 4 corners, and thus the fringes are not necessary. Traditional Jews wear a tallit katan (small prayer shawl) in order to fulfill this commandment at their own volition (although some consider it a transgression to miss a commandment that one has the ability to fulfill).
Various reasons are given for the commandment. The Torah itself states: "So that you will remember to do the commandments". In addition, it serves as a reminder of the Exodus from Egypt (Numbers 15:40). The Talmud equates its observance with that of all the mitzvot. Rambam (Comm. Pirkei Avot 2:1) includes it as a major mitzvah along with Brit Milah and Korban Pesah.
There are numerous customs as to how to tie the fringe. The Talmud explains that the Bible requires an upper knot (kesher elyon) and one wrapping of three winds (hulya). The Talmud goes on to explain that the Rabbis enjoined that between 7 to 13 hulyot be tied, and that the initial and final winds must be the color of the garment, the interving ones being the color tekhelet. As for the making of knots in between the hulyot, the Talmud is inconclusive, and as such poskim throughout the ages have varyingly interpreted this requirement. The Talmud described tying assuming the use of tekhelet, however, following the loss of the source of the dye, various customs of tying were introduced to compensate for the lack of this primary element.
Though many methods have been proposed the one that gained the widest acceptance can be described as follows:
The four strands are put through the hole in the corner of the garment, thus making two sets of four threads (one set on each side of the hole).
Before tying begins, a blessing is said: L'Shem Mitzvot Tzitzit (For the sake of the Commandment of Tzitzit). Some Rabbis are of the opinion that one should instead say Baruch atah Adonai Elohainu Melech HaOlam, asher kiddishanu b'mitzvotav v'tzivanu la'asot tzitzit (Blessed are you, Lord, our God, king of the universe who sanctified us with His commandments and commanded us to make tzitzit).
The two sets of stands are knotted together twice, and then the "shamash" (a longer strand) is wound around the remaining seven strands a number of times (see below). The two sets are then knotted again twice. This procedure is repeated three times. A commonly formed pattern of windings is 7-8-11-13 (totalling 39 winds - the gematria of the "The LORD is One" Deuteronomy 6:4). Others, especially Sephardim, have 10 and 5 and 6 and 5, a combination that represents directly the spelling of the Tetragrammaton.
Rashi, a prominent Jewish commentator, bases the number of knots on a gematria: the word tzitzit (in its Mishnaic spelling) has the value 600. Each tassel has eight threads (when doubled over) and five sets of knots, totalling 13. The sum of all numbers is 613, traditionally the number of mitzvot (commandments) in the Torah. This reflects the concept that donning a garment with tzitzit reminds its wearer of all Torah commandments.
Nachmanides disagrees with Rashi, pointing out that the Biblical spelling of the word tzitzit has only one Yod rather than two, thus adding up to the total number of 603 rather than 613. He points out that in the Biblical quote "you shall see it and remember them", the singular form "it" can refer only to the "p'til" (thread) of tekhelet, and that the reason for remembering the mitzvot is the color of the tekhelet, which resembles the ocean, which in its turn resembles the sky or heaven.
The advent of the 19th century has seen a number of attempts to identify the ancient source of the dye using relevant Talmudic sources. On the whole, Orthodox Jews have been slow to accept the findings of this research. Some poskim (decisors of Jewish law) maintain that it is better to use no dye at all rather than rely on evidence, though they agree that there is no transgression involved with wearing colored strands. Some also claim that tekhelet was removed for a divine purpose to be revealed by the Messiah at the time of the ultimate redemption. However, a growing number of Jews are now using this dye.
The Hillazon is the animal from which the tekhelet dye was obtained by the ancient Israelites. The four primary criteria for the hillazon come from the Talmud (tractate Menachot 44a, PDF):
Other criteria (with Talmudic references):
However, in the 1980's a chemist from the Shenkar College of Fibers by the name of Otto Elsner discovered that if a solution of the dye was exposed to sunlight, blue instead of purple was consistently produced. Eventually, in 1993, the Ptil Tekhelet Foundation was formed for mass production of this tekhelet, as well as to continue further research.
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