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14

It's just a bookbinding technique. Read: COLOURING EDGES from this Bookbinding Website.


12

Keset HaSofer 21:14 rules that you can't put ground ivory into the tefillin paint as it is not from a kosher animal (an elephant). Accordingly, it would seem that one would need to make sure to use paint that has a certification ensuring that all ingredients are from kosher species.


11

It is a halacha l'Moshe miSinai that the r'tzu'os must be black (M'nachos 35a), and this is a requirement for valid t'fillin. The straps must be re-blackened if the paint becomes scratched or abraded (Bach OC 32:25). Abrasions are especially common (if not readily noticeable) in the vicinity of the knot of the shel yad, and special attention should be paid ...


11

The Mishna Brurah 610:16 says women customarily wear white and clean clothes. Not sure what people do today.


10

Pesachim 54A says the rainbow was created on the sixth day: Ten things were created on the eve of the Sabbath at twilight. These are they: the well, the manna, the rainbow, the writing and the writing instrument[s], the Tables, the sepulchre of Moses, the cave in which Moses and Elijah stood, the opening of the ass's mouth, and the opening of the earth's ...


9

In a midrash: Why did he repeat? Esav found Yaakov preparing lentils for his father in a dish, and told him "feed me" [=hal'iteni na min haadom]. He said, "wait, I'll prepare you another dish. I prepared this one for my father and don't want to cancel my mitzva. But if you're willing to sell your birthright, I'll give you my father's dish, which I'm allowed ...


9

Even if the threads are fairly fine (and we don't know if they were), two colors plied together still looks like two colors, not the combined color. Thread is not like paint. Now even if at the usual viewing distance most people would see it as the combined color, it would not look that way close up, like to the kohein wearing the garment or tending to the ...


9

Zohar (Bereishis 18b and in other places) states that the rainbow has three colors, חוור סומק וירוק - white (or pale), red and green. In Bereishis it associates these three colors with Gavriel, Michael and Raphael. Elsewhere (Bamidbar 215a) it associates them with the three Avos. In one of the maamarim (chassidic discourses) of R. Shneur Zalman of Liadi, he ...


9

The Shach on Shulchan Aruch 178:1 (s.k. 3) says וצבע השחור הוא דרך צניעות והכנעה וכדאמרינן מי שיצרו מתגבר עליו ילבש שחורים ויתעטף שחורים Not clear if he's talking about men or women or both. But he's commenting on the Rema saying not to wear red, which it's reasonable to suggest is probably at least aimed at women as well, I'm not sure how many men would ...


9

I heard once, do not remember from who, questioning the word נא from הלעיטני נא מן האדם האדם הזה - since when did Eisav say please? The answer I was told was Eisav was not saying please, Eisav was saying give it to me raw - like in Shemos 12:9 אל תאכלו ממנו נא. Thus this red lentil soup was still raw and it retained its color. See here from Rabbi Gershon ...


8

R' Hirsch (e.g. in the long comment at the end of Ex. 25:1-8) takes the four types of thread used in Mishkan construction to represent four basic aspects of life that we humans need to strive to perfect within ourselves and unify in the service of God: Linen, from the flax plant = Vegetative - consumption and reproduction Wool died red with worm blood = ...


8

Nitei Gavriel Nisuin 1 15:1:4 mentions this Minhag in the name of Maharam Mintz, Likutei Maharich and Shulchan Haezer. He mentions that some Chasidim do not wear total white as it is Chukas Hagoyim. Based on this I would say that there is no source in the Torah that requires such. However the fact that a majority of Klal Yisrael does so should make one ...


7

It says in the Rambam and Rashi that the strings of a Tallis have to be the same color as the Tallis itself. Tosfos writes that there is no obligation to do so, and the color of the strings does not have to be the same as that of the Tallis. The Halacha is like this opinion. Moreover, the custom in the Ashkenazi world is to make the strings white even when ...


7

Although Shulchan Aruch YD 182:6 forbids a man to do so, placing it in the category of "women's dress", he continues to forbid looking in a mirror as well. A parenthetical notation (Rema?)is made following the mirror halacha sending you to YD 156 were the Rema quotes those who say that this law is dependant on whether men customarily look in a mirror or if ...


7

The Kaf Hachaim (9:15) brings many sources and reasons why the Talit itself should be completely white (although he says black stripes at the bottom do not invalidate this, since we look at the majority of the Talit). A couple of the reasons he brings: Shulchan Aruch says that the Tzitzit should be the same color as the garment, since the strings are white,...


7

Rabbi Aryeh Kaplan quotes Kabbalistic sources that he was using meditation "to direct spiritual energy and actually to change the genetic structure of the sheep ... manipulating some of the highest spiritual forces that exist." Okay, as I'm neither a Kabbalist nor a bioengineer, I'll take his word for it ... The simplest way to read the whole story (as I ...


7

Me'am Loez on this parsha actually talks about it. Edit: After chasing down the source (יפ"ת דתכ"ב), I found the (hopefully) original in Medrash Rabbah. This photo is from Me'am Loez. Quick translation: There was a story with a black man who was married to a black woman, and they had a white son. He came to Rabbeinu Hakadosh and said, "this is certainly ...


7

One of the answers the Mizrachi to Rashi on Bereshit 30:39 brings is that the sticks were just used to cover up the miracle. The angel appeared to Yaakov and showed him that all the animals would be born with the pattern that would benefit Yaakov. Yaakov then used to sticks to hide the miracle. (The Mizrachi is addressing another issue, which is how could ...


7

The Mishna was referring to specific sects at the time. If we had solid reason to believe today that a person's dress indicated serious rifts with mainstream Jewish theology, we'd think twice about having them lead prayers (and, as was done then, apply poetic license in how to recite the texts). I don't really see that as an issue now.


7

Yarok here means yellow, as DoubleAA wrote in the comments. As for your question, what is the difference between Yarok and Tzahov, see Rashi on the passuk who says Tzahov is similar to gold. So now we have two colors in the yellow family, one we'll call yellow which is pure, and one which we'll call a golden yellow which is impure. See also Tosafos Succah ...


7

R. Mordechai Yaffe mentions the custom of darkening one section of the wall as the zecher l'churban, but he says that this is not proper. Levush O.C. 560:1 ונ"ל מה שנוהגים עכשיו הבונים בתים ומסיידם אותו שמסיידין ומכיירין אותו כולו ואחר כך משחירין אמה על אמה בשיחור כנגד הפתח דלא יפה הם עושין כי אדרבה השיחור זה אינו מגנה את הבנין אבל מייפהו ומשמח הלב ...


6

Rabbi Moshe Feinstein allowed the photo grey lenses, though others disagree. For more on the theory behind this, see this excellent article from the Star-K's Rabbi Mordechai Frankel (based on the ruling of Rabbi Moshe Heinemann). It discusses the related question of diapers that change color when wet.


6

Here's a quote from Halacha for Today (Question 260): Q: Could you tell me if it is permissible for a man to dye his hair? A: A man may not dye his hair if doing so for beauty or to hide white hair etc. as this is a biblical transgression of "Lo Tilbash" not to wear (or otherwise imitate) the ways of the opposite gender. This includes dying hair, ...


6

I have once heard that such technique was done because in the early days of book-binding, paper was very expensive and some books, including judaica, was printed on 'recycled' or scrap paper. This paper would be of random colors and element exposures. When stacked, the sides of the paper would be the colored splotches.


6

If you ever look at sfarim that are commonly opened to specific sections (like a siddur), you'll notice that there are black lines around those pages that are more commonly used (you could, for example, land almost exactly on the last page of Shacharis). When the pages are colored, you don't see those lines.


6

I saw an excellent comprehensive article on exactly this topic It brings down all the opinions and reasons, but the bottom line is that these photo chromic lenses are permitted on shabbos.


6

While I haven't looked it up, I think I recall hearing that the ingredients should be kosher.


6

According to the Cartoon guide to Genetics, when the goats saw the reeds, they were predisposed to mate with other goats that had similar characteristics, causing an increase in the population of that type of animal. It also brings up the idea of this being an example of recessive genes.


6

The short answer is yes there is room for leniency, but as always (and especially in something like this), a competent halachic authority should be consulted. As I heard it from a rabbi who was offering a review shiur on the subject: The original practice was for a woman to wear libunim, freshly-laundered clothes. The idea was that often garments had all ...


6

Shulchan Aruch (Orach Chaim 53:18) makes it clear that this is only because of the concern that he is an apikores. The Mishnah Brurah there writes that if he immediately gives an explanation for why he did it, he can be the shliach tzibur. Also, the Tiferes Yisrael (ch. 4 note 52) writes that it is only for that prayer that he doesn't get to be the shliach ...


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