Purim: The Covenant ratified in Exile
The rabbis of the Talmud sought to anchor Purim in the Biblical tradition, with varying degrees of success. But one of the most striking rabbinic comments appears in a surprising place: in Massechet Shabbat, we find a curious reference to the events on which Purim is based: “'The Jews confirmed and accepted'—on that occasion they confirmed what they had accepted long before." What exactly, did the Jews living in the Persian exile accept?