Someone told me that people avoid wearing tefillin all day because of the fear that one might denigrate the tefillin by passing gas with the tefillin on. If someone feels that he is capable of keeping a clean body throughout the day (not passing gas) or removing the tefillin before passing gas would it be OK for him to wear tefillin all day long?

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    Indeed there are many qehillot in Israel (particularly in Yerushalayim) that wear tephillin all day long (save for obviously forbidden times/places like the bathroom).
    – Lee
    Jan 5, 2017 at 13:54
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    related judaism.stackexchange.com/a/77396/759
    – Double AA
    Jan 5, 2017 at 14:54
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    Yeah, it's probably OK, but is it worth the risk? It seems like passing gas in Tefillin is such a severe issue that it many Poskim conclude that we shouldn't wear Tefillin all day due to the risk we may pass gas. One time accidentally passing gas may counteract any benefit of wearing Tefillin for an extended period of time. Jan 5, 2017 at 15:27
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    yeshiva.org.il/ask/83500 Jan 5, 2017 at 17:50
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    @Yehoshua Talmide'i HaGR"A in the Old City IIRC
    – Lee
    May 7, 2018 at 10:14

3 Answers 3


Rav Eliyashiv was asked this and was qouted in Sefer Vayishma Moshe 2: Teffilin. He was asked if there is an inyan to wear talis and teffilin all day. He answered that a talis it isnt necessary since one wears a talis katan,and regarding teffilin a person needs a guf naki. He was then asked if one knows with certainty that he will have a guf naki is it them an inyan to do it. He answered "Halevei" that one can do such a thing and if one can do such a thing then a bracha should be upon him.

side question: why isnt this mechzei k'yuharah? enter image description here

  • There are people though that wear tefillin all day...Are they the lucky ones?
    – Yehoshua
    Mar 11, 2018 at 1:09
  • Is R Elyashiv saying those people who are sure they can guard their bodies are blessed because they are so clean or because he thinks they should wear Tefillin? He never actually says they should wear Tefillin. Seems to be hedging
    – Double AA
    Apr 10, 2019 at 20:41

דעת הגאון מוילנא, הובא בספר כתר ראש לרבי חיים מוואלוז'ין ובספר מעשה רב, שאדם שיכול לשמור את גופו נקי צריך להניח תפילין כל היום, ואמר הגר"א שאם היה לו כח היה יוצא בשווקים וברחובות לעורר אנשים לעשות כך. אבל גדולי הדורות לא נהגו כדבריו. תורגם ע"י התרגומון של גוגל

The Gaon of Vilna reported that a person who can keep his body clean should wear tefillin all day long, and the Gra said that if he had the strength he would go out in the markets and streets to make people do so. But the great rabbis did not follow his example. Translated by Google Translator


ציטוט ספר כתר ראש enter image description here]1

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  • Welcome to Mi Yodeya. Can you edit your answer to explain what this is an image of and how it answers the question, for the benefit of readers who might not be able to view the image or understand the Hebrew?
    – Alex
    Apr 10, 2019 at 23:34
  • On second thought, it looks like this post is just the source for your other post, so it should really be edited into that one.
    – Alex
    Apr 10, 2019 at 23:42
  • לא הסתדרתי עם העריכה, העליתי ארבע תמונות לפי סדר ואני רואה שרק שתי תמונות מוצגות, אשמח אם מישהו יודע איך לערוך בצורה טובה את התשובה. I did not get along with editing, I uploaded four pictures in order and I see that only two pictures are displayed, I would be happy if someone knows how to edit the answer well.
    – אלחנן
    Apr 12, 2019 at 0:41

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