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Can someone who pauses during brit milah on Shabbos (שבת) return to complete it, or does stopping permanently disqualify continuation? The shiur analyzes the principle of 'Pirush Ein HaChozer' through the Tannaitic debate in Shabbos 133b. The key insight emerges from understanding what the Mishna's language 'Kol tzorchei milah' includes—revealing that the machokes may center on whether cosmetic improvements qualify as legitimate completion versus forbidden additional melachah.
This shiur provides an in-depth analysis of Gemara (גמרא) Shabbos (שבת) 133b, focusing on the principle of 'Pirush Ein HaChozer' (one who stops cannot return) in the context of brit milah on Shabbos. The discussion begins by examining Rav Yochanan's opinion that the Mishna holds that one cannot return to complete the milah after stopping, contrasted with other Tannaitic opinions including the Chachamim who permit returning to complete the procedure. The shiur explores the fundamental question of what constitutes 'stopping' (pirush) - whether it requires physically moving one's hand away or merely pausing the cutting action while keeping the knife in place. A central focus is understanding the Mishna's language 'Kol tzorchei milah' (all needs of milah) as a ribui (inclusion) that teaches additional laws beyond the basic requirements. The Gemara's analysis reveals a debate about whether this ribui comes to permit returning after stopping for procedures that are not absolutely necessary (sisas she'ein hamachvin) but are for hiddur mitzvah (מצוה) (beautification of the mitzvah). The shiur examines multiple Tannaitic opinions including Rav Yosei's view on when milah overrides Shabbos restrictions, and discusses whether the principle applies differently on weekdays versus Shabbos. The discussion includes practical applications about what constitutes essential versus optional aspects of the milah procedure, and whether one can perform additional cuts for cosmetic purposes after completing the basic obligation. The analysis concludes with questions about the majority opinion among the Tannaim and how this affects practical halachic decisions.
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Shabbos 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.
