Shekalim 21b Knives and cleavers (Dirshu Amud Yomi #280)

In this episode of Daf Yomi with Rabbi Eli Markowitz, the discussion centers on the intricate halachic rulings in Shekalim 21b regarding ritual purity (tumah) and the status of found objects in ancient Jerusalem, particularly knives and cleavers used in sacrificial rituals. The core debate revolves around whether a knife or cleaver found on the 13th or 14th of Nisan—days leading up to Passover—can be assumed to have been immersed (tahor) in a mikvah. Rabbi Markowitz explains that while a shechita knife found on Erev Pesach is presumed to be tahor due to the urgency of preparation, one found on the 13th is uncertain because immersion could still be done minutes before the shechita. The cleaver, used for breaking bones in the korbanot, is treated more stringently: if found on Shabbat or Yom Tov, it must be assumed tamei unless proven otherwise, since immersion is prohibited on those days. The episode also explores the social dynamics of ritual purity in Jerusalem—how the middle of the street was considered tamei due to ritual impurity from ritual slaughter, while the sides were tahor, and how this mirrored real-life social hierarchies. A powerful metaphor emerges: the minority, like those with fewer resources or less status, are expected to stay on the side, while the majority (the tahor) occupy the center. This reflects a broader principle of communal responsibility and the psychological weight of uncertainty in daily life, especially for those living on the edge of survival.