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Who knows eight?

Please cite/link your sources, if possible. In about one business day, I will:

  • Upvote all interesting answers.

  • Accept the best answer.

  • Go on to the next number.

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E_8 is the eighth exceptional Lie group, and may contain the complete description of the Universe (Theory of Everything) – Jeremy Mar 24 '10 at 18:29

12 Answers 12

up vote 7 down vote accepted

Eight are the creepy-crawlies in the Torah.

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Shemona are the perakim of the Rambam

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Eight are:

  • The days of:
    • The Bris
    • Pesach (in Chu"L)
    • Sukkos (in Chu"L)
    • Rambam's levels of Tzedaka
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The number that represents the Oral Torah, according to the Maharal (see introduction to Tiferes Yisrael).

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Eight(h) is the only number used as the name of a weekly parashah (Shemini).

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Eight weeks of Shovavim Tat

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Eight are the sons of Avraham.

Eight are the sons through Leah (counting her maid).

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Eight days of Chanuka

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Maaseh Tuvia says that Betzalel was 8 years old when the Mishkan was built.

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Did the Keilim need to be built Leshmah? I would have thought yes... – Double AA Feb 19 '14 at 3:38
@DoubleAA maybe he had simanim. – msh210 Feb 19 '14 at 16:01

Eight are the chapters on Fathers.

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Dupe of Jeremy's answer. – Isaac Moses Mar 24 '10 at 18:27

8 are the children of Yaakov born from full wives, which are the ches of echad (Maharal Nesiv HaAvoda)

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