The Timing of the Purim Feast and the Rebbe’s "Kal Vachomer"
Insights from Shulchan Menachem, Volume 3, Siman 699
In this section, the Rebbe explores the unique timing of the Chabad Purim Farbrengen and explains the halachic basis for his constant reminder to the Chassidim regarding the after-blessings.
Extending the Joy: The Timing of the Seudah
According to the Shulchan Aruch, the Seudas Purim must begin during the day of the 14th of Adar. While there is no explicit requirement for when it must end, the established custom—which carries the weight of Torah (Minhag Yisrael Torah Hi)—is to extend the meal from the day into the following night.
In Chabad tradition, the Rebbeim would typically hold their Farbrengen on the night between the 14th and the 15th (the night of Shushan Purim). Even though the meal continues into the night of the 15th, the Al HaNissim prayer is still recited during Bentching because the meal began during the day of Purim. This extension serves to bridge the two days, drawing the sanctity and joy of Purim into the following day.
The Rema’s Announcement: Maariv "Bizmano"
At the conclusion of his Farbrengens, the Rebbe would consistently remind the participants to recite their after-blessings (Bracha Acharona). This practice was modeled after an announcement made by the Rema during Purim celebrations: "Zum Maariv Bizmano" (To Maariv in its proper time). Because Purim involves festive drinking, the Rema was concerned that people might miss the proper window for the evening prayers (Zman Maariv).
The Rebbe applied a Kal Vachomer (an a fortiori logical deduction) to this: if the Rema was so careful to ensure people didn't miss Maariv—which is Rabbinic in nature (Mid’rabbanan)—then we must be even more diligent regarding the after-blessings and Bentching, which are Biblical obligations (Min HaTorah).
Addressing the "Kriyas Shema" Objection
One might argue against the Rebbe's logic by pointing out that Maariv includes the recitation of Shema, which is a Biblical obligation. If so, the Rema’s concern was also for a Torah mitzvah, and the Kal Vachomer would seemingly fall away. The Rebbe addresses this with several sharp distinctions:
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The Minimal Requirement: The Rebbe notes that the Torah obligation of Shema can be fulfilled by reciting just the first verse (Shema Yisrael...). This could easily be done during the meal itself without needing to break for a formal service.
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The Specific Wording: The Rema specified "Maariv Bizmano" (in its time). The "time" for Maariv is a Rabbinic enactment. The Biblical obligation to read the Shema, however, essentially spans the entire night. Therefore, the Rema’s urgency was directed specifically at the Rabbinic timeframe of the Tefilla (prayer), not the Torah obligation of Shema.
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Biblical Obligation of Blessings: In contrast, forgetting to Bentch after a meal or to recite a Bracha Acharona (which many opinions consider Min HaTorah) results in a direct violation of a Torah commandment.
Conclusion: The Importance of the After-Blessing
The Rebbe concludes that the Rema’s concern for the Rabbinic timing of Maariv serves as a powerful reminder for us to be meticulous with our blessings. While one has a long window of time for the nightly Shema, the window for blessings after eating is much shorter and more easily forgotten in the midst of celebration. Therefore, at every opportunity, the Rebbe made it a point to remind the community to recite their blessings, ensuring that the physical enjoyment of Purim remains elevated through proper gratitude to Hashem.