| Positive Mitzvah Fourteen Wearing Tzitzit
Tzitzit is a four cornered garment with eight knotted fringes (the tzitzit) hanging from each corner which all Jewish men and boys must wear. One of the strings of each tzitzit is to be dyed techelet with the blood of an aquatic creature known as
Chilazon
(Rashi). The exact
identity of the creature that is the source of this blue dye is unknown nowadays. The techelet thread helps its wearer focus on his duty to G-d because, as the Sages put it: Techelet is similar to the color of the sea, the sea to the sky, and the sky to G-d's Throne of Glory
(Menachot 43b)
This is not counted as two Mitzvot, although it is
the rule with us that [the absence of] the techelet does not impair the validity
of the white, nor does [the absence of] the white threads impair the validity of
the techelet. (In each tzitzit there should be seven white threads and one
blue.) The reason is given in the Sifre,
"One might think that these are two Mitzvot - the Mitzvah of the techelet and the Mitzvah of the white; Scripture therefore states,
'It shall constitute tzitzit for
you' (BaMidbar 15:39) thus showing that it is one Mitzvah and not two." (ibid., Sifre)
This Mitzvah is not obligatory upon women as explained at the beginning of
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