The four communal fast days aren't just about mourning our sins, but about recognizing that we transformed divinely ordained days of great joy into days of tragedy through our actions.
This shiur presents a revolutionary understanding of the four communal fast days (Asara B'Teves, Shiva Asar B'Tammuz, Tisha B'Av, and Tzom Gedalia) based on a careful analysis of the Rambam (רמב"ם)'s language in Hilchos Taanis. The Rav challenges the conventional understanding that these are simply days of mourning over our sins. The analysis begins with a fundamental question about the Chasam Sofer's position that these fasts are for teshuvah rather than mourning (avel), contrasting with the Ran who says they are for mourning. The Rav examines the Rambam's unusual language, particularly the phrase "yesh yom" (there are days) and why the Rambam lists the fasts beginning with Tishrei rather than following the biblical order starting from Nisan. The core insight emerges from understanding that these were originally designated as days of tremendous simcha in Hashem (ה׳)'s divine plan. Shiva Asar B'Tammuz was meant to be the day Moshe would descend with the second Luchos, symbolizing Klal Yisrael as Hashem's bride receiving precious gifts (like Rivka receiving jewelry from Eliezer). Tisha B'Av was destined to be the day of entering Eretz Yisrael after hundreds of years of anticipation. The term "tzarah" (sorrow) is explained not as simple tragedy, but as a day fighting against itself - a contradiction where celebration transforms into catastrophe. This represents the ultimate tragedy: taking divinely ordained moments of joy and converting them through our actions into their complete opposite. The Rambam's use of Tishrei order (rather than Nisan) indicates these tragedies occurred within Hashem's master plan of creation, not merely our national calendar. This suggests these were cosmically significant opportunities that were perverted. Regarding teshuvah, the Rav explains this isn't the standard teshuvah of Hilchos Teshuvah (recognizing sin and changing behavior). Instead, it's about taking responsibility for consequences - understanding that we caused these cosmic tragedies and must become sources of good (lehaitav) rather than sources of harm. This parallels the Ramban (רמב"ן)'s explanation of aveilus, where we recognize that death itself resulted from human sin, not divine decree. The ultimate goal is recognition that these weren't divine punishments but natural consequences of our choices. Once we accept full responsibility, we can work toward the prophetic promise that these days will be transformed back to their original purpose - days of joy and celebration, returning to what Hashem intended from the beginning.
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Hilchos Taanis
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