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What makes Asara b'Tevet the most fundamental of the fast days? The shiur explains that the siege of Yerushalayim marked the loss of freedom—being trapped—which parallels the meaning of crying itself: helplessness and inability to act independently. The lesson extends to personal responsibility: healthy parents raise children who can stand on their own, not remain emotionally dependent and "trapped."
Rabbi Zweig opens by noting the unique character of Asara b'Tevet: it is the only rabbinic fast that can fall on Friday, and the Avudraham states that even if it fell on Shabbos (שבת), we would fast, because the prophet Yechezkel uses the phrase "b'etzem hayom hazeh" (on this very day), the same language used for Yom Kippur. Though the Beis Yosef rejects this ruling, Rabbi Zweig explores what the Avudraham is teaching: that Asara b'Tevet represents something fundamental—the essence (etzem) of the change from freedom to captivity. The shiur then turns to Parshas Vayechi, analyzing the mourning for Yaakov versus the mourning for Moshe. The Torah (תורה) says that when Yaakov's mourning ended, the days were "over" (vayavru), but when Moshe's mourning ended, they were "complete" (vayitmu). The Midrash contrasts these terms, and commentators suggest that Yaakov's mourning continued because the surrounding nations mourned him, or because his family was large and bereaved. Rabbi Zweig finds these explanations inadequate and insulting to Moshe.
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Asara b'Tevet; Bereishis 50:3-4; Devarim 34:8; Yechezkel (siege of Yerushalayim); Gemara Rosh Hashanah (definition of dror)
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