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Can one perform cosmetic completion of milah on Shabbos (שבת) after the essential cutting is done? The Gemara (גמרא) in Shabbos 133b reveals a machlokes between the Tanna Kama and Rabbi Yosi about whether mitzvos that permit Shabbos desecration extend to beautifying aspects. This distinction reflects whether milah creates a lasting object that can always be improved or constitutes a one-time action complete upon fulfillment.
This shiur presents an in-depth analysis of Gemara (גמרא) Shabbos (שבת) 133b, focusing on the halachic question of whether one may return to complete circumcision for cosmetic purposes after the essential mitzvah (מצוה) has been fulfilled. The discussion centers on the fundamental question: for mitzvos that permit desecration of Shabbos, does this permission extend to beautifying aspects (hiddur mitzvah) of the same mitzvah? Rabbi Zweig begins by establishing that there are two aspects to milah: the essential cutting required to remove the child from the status of an arel (uncircumcised), and additional cosmetic cutting for aesthetic purposes. The Gemara seeks to identify which Tanna holds that for cosmetics alone, one cannot return to complete the procedure, even on weekdays.
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Shabbat 133b
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Why does the Gemara say one Shabbos protects from Amalek while two Shabboses bring redemption? The shiur applies a principle from Kiddushin about repetition changing psychology: the first time doing anything is experimental, but the second demonstrates genuine desire. True Shabbos connection with Hashem requires moving beyond spiritual curiosity to authentic internalization.
