What is the reason for wearing tefilin?

is it to induce a person to study torah? Or perhaps in order to remember the exodus from Egypt?

If so, what is the connection between this to wearing black leather boxes with straps hanging down?


The physical properties of the tefillin are distinctly not described in the Torah. This fact is sometimes used to discuss the validity and usefulness of oral tradition.

This source sums it up pretty nicely:




There are also a few discussions on this topic at chabad.org. Including this on the types of hide that may be used for the parchment:

And it is a halachah from Moses at Sinai that tefillin are tied round with their hair and sewn with their tendons.

The reason for tefillin looking the way they do is because G-d described them to Moses on Mt. Sinai.

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  • any idea WHY G-d described them that way? that seems to be the question. usually mitzvot have underlying reasons. – ray Aug 19 '13 at 8:15

The reason for wearing t'fillin comes from the first paragraph of the Shema

וּקְשַׁרְתָּם לְאוֹת | עַל-יָדֶךָ, וְהָיוּ לְטֹטָפֹת בֵּין | עֵינֶיךָ

And you should tie them as a sign onto your hand, and they should be a reminder between your eyes.

And also from the second paragraph of the Shema

וּקְשַׁרְתֶּם | אֹתָם לְאוֹת | עַל-יֶדְכֶם, וְהָיוּ לְטוֹטָפֹת בֵּין | עֵינֵיכֶם

(Basically same translation as above)

The same command is also stated in Exodus 13:9 and 13:16.

The gemarra Sanhedrin 88b and in other places discusses the form of Tefillin, explaining what the Torah means when it says to tie them to your hand and between your eyes.

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  • 2
    Is this meant to be a 'because God said so' answer? – Double AA Jul 11 '13 at 13:50
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    @DoubleAA Yeah, I think it's pretty much a God said so answer. The Torah says put on Tefillin, so we do. – Daniel Jul 11 '13 at 13:57

From here:

...bear in mind that G-d commanded us to write on the parchment contained in the tefillin the four specific Biblical passages...which mention His unity and the Exodus from Egypt, in order that we remember the miracles and wonders He performed for us. They indicate His unity and omnipotence. He has enjoined us to place the arm tefillin adjacent to the heart, and the head tefillin over the brain, so that we submit our soul which is in the brain, as well as the desires and thoughts of our heart, to His service. Thus, by putting on the tefillin, one will be mindful of the Creator and restrict his pleasures.

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