A free account is required to play audio and download files.
No community start suggestion yet.
When bread gets stuck in an oven on Shabbos (שבת), may one remove it before baking completes? The shiur resolves contradictory rulings by distinguishing two separate halachos: violating 'lo sa'aseh kol melacha' occurs immediately when performing the action, while actual 'chilul Shabbos' only happens when the melacha completes.
This shiur presents a profound analysis of Masechta Shabbos (שבת) 4a regarding the case of bread that became stuck in an oven (hidbik pas b'tanur) and whether one may remove it before the baking is complete. Rabbi Zweig introduces a major machlokes (dispute) among the Acharonim (later authorities) about the fundamental nature of Shabbos prohibitions. The Gemara (גמרא) states that if bread gets stuck in an oven, one may remove it before it finishes baking, suggesting that incomplete melachos don't constitute violations. However, this creates difficulties with other melachos like zoreiah (planting) and kotzer (harvesting), where the Rishonim hold one is liable immediately upon performing the action, even if the result isn't complete. The Rashash holds that all melachos requiring duration are only complete when finished - if you interrupt the process, you avoid the prohibition entirely. Other Acharonim disagree, creating various distinctions: some say it depends whether the melacha requires subsequent human action versus natural processes (b'yedei shamayim), while others distinguish between melachos affecting the ground (avodas karka) versus food preparation. Rabbi Zweig critiques these forced distinctions as lacking proper textual foundation. The Rambam (רמב"ם)'s ruling that one may remove bread b'shogeg (accidentally) rather than b'meizid (intentionally) as the Gemara states creates additional complexity. Rabbi Zweig resolves these difficulties by proposing a fundamental distinction within Shabbos law itself. He argues there are two separate halachos: (1) the prohibition 'lo sa'aseh kol melacha' - not to perform actions that will result in melacha, which is violated immediately upon performing the action, and (2) the concept of 'chilul Shabbos' - actual desecration of Shabbos, which only occurs when the melacha is completed. According to this approach, when you put bread in an oven on Shabbos, you immediately violate the prohibition against performing melacha-causing actions. However, you only become a 'mechalel Shabbos' (Shabbos desecrator) when the bread actually finishes baking. Taking the bread out saves you from chilul Shabbos but doesn't retroactively eliminate the initial prohibition. This explains Tosafos (תוספות)' statement that 'the ma'aseh shel issur k'var nasa' - the forbidden act has already been performed. The practical ramifications are enormous: according to the Rashash, one could begin cooking five minutes before Shabbos ends since it won't finish on Shabbos, but according to Rabbi Zweig's reading, one would still be liable. This distinction also explains various nafka minas (practical differences) regarding the status of a mechalel Shabbos versus one who merely violated a Shabbos prohibition, and resolves the apparent contradiction in the Yerushalmi about actions performed on Shabbos that complete after Shabbos.
Shabbos 4a
Looking for the full transcript?
Full access is available to members of the TUF Alumni Association or the Yam Hagadol Foundation.
Already a member? Let the admin know!
Dedicate a Shiur in Gemara
L'ilui nishmas a loved one. In honor of a simcha or yahrzeit. As a zechus for a refuah sheleimah. Your dedication helps carry Rabbi Zweig's Torah to learners around the world.
Up Next in this Series
How can Shabbos observance atone for the idolatry of Enosh's generation? The Rambam's reading shows that generation sought God through physical intermediaries rather than direct connection. Proper Shabbos observance creates authentic divine experience that naturally displaces attraction to spiritual substitutes - like tasting real coffee exposes ersatz as meaningless.
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.
Why does the Gemara pray to be 'among those who eat three meals on Shabbos' rather than simply to fulfill the mitzvah? The shiur develops that Shabbos eating means 'tasting the day itself' - mindful appreciation that connects us to Shabbos's spiritual quality. This requires discipline and community support, with three meals corresponding to distinct phases of Shabbos time.
Why does the Gemara present a kal v'chomer for chuppah making kiddushin based on kesef not being maichel b'terumah, only to reject it? The shiur reveals that even the rejected kal v'chomer establishes a fundamental yesod: kiddushin is a kinyan for ishus (marital relationship), not merely a kinyan in hilchos kinyanim. The second kal v'chomer—from chuppah being gomeres—raises Tosafos's famous question.
Is the kesef used in kiddushin a true kinyan (acquisition), or merely a symbolic means of establishing marriage? The shiur analyzes multiple interpretations of the Gemara's derivation from ki yikach ki'ach mi'Sayeffron, exploring whether marriage constitutes ownership, and develops three fundamental approaches: (1) The Gemara proves ishus is a kinyan, (2) ishus is not a kinyan but uses kinyan-like means, or (3) ishus is a kinyan but the kesef may not be a ma'aseh kinyan. The Rambam's position—calling kesef "midivrei sofrim"—is explained as distinguishing between cross-referencing concepts versus borrowing terminology.
Why does the Mishna alternate between the language of "kinyan" (acquisition) and "kiddushin" (sanctification) when describing marriage? The shiur develops a fundamental distinction: marriage has two separate aspects—a kinyan dimension (ownership) and a kedusha dimension (sanctified relationship). Either aspect can initiate the bond, and understanding this dual nature resolves multiple textual and halachic questions throughout the sugya.
Does kiddushei shetar require a shevah pruta? The Ran presents two approaches to the Rif's position. The shiur develops the Ran's second pshat that shetar kiddushin functions as a hachnah (exchange) rather than a mere kinyan nesina. This reading has profound implications for isuri hana'ah, mechubar, and the relationship between kesef and shetar.
