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March 11, 2022

The Invention of the Seven-Day Week

Dr. Ezra W Zuckerman Sivan

Dr. Ezra W Zuckerman Sivan

Dr. Ezra Zuckerman Sivan is the Alvin J. Siteman Professor of Strategy and Entrepreneurship at MIT’s Sloan School of Management, where he has been on the faculty since 2001, serving as both deputy dean (2015-20) and associate dean for teaching in learning (2020-1). He was previously on the faculty of the Stanford Graduate School of Business, which he joined after receiving his PhD in sociology from the University of Chicago and his BA from Columbia University. Dr. Zuckerman Sivan’s research has two main streams: 1) economic sociology, which focuses on showing how an understanding of fundamental social processes is important for shedding light on key issues in business (and vice versa), and 2) literary-sociological analyses of biblical (and post-biblical) Jewish texts. In 2022, he is on sabbatical from his main duties and is focused on completing a book on the invention of the seven-day week. Some essays from this project have appeared in the Lehrhaus.

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This course covers two main themes based on a forthcoming book by Ezra Zuckerman Sivan: 1) the Torah as heralding the invention of the seven-day week, and secondarily 2) the social scientific question of how and why the seven-day week was invented. Each lecture is focused on a specific puzzle that gains its significance once we shake off our erroneous intuition that the seven-day week is built into the natural world. The key sources used in each session will be biblical, augmented by insights from rabbinic texts.

Session 1: If the seven-day week is artificial, why does the Torah in the first creation story seem to present it as a feature of the natural world?

Session 2: Why does each version of the Ten Commandments present such different (and seemingly contradictory) accounts of the historical basis for Shabbat?

Session 3: How does the Torah’s description of the first Shabbat observed by Israel fit in the larger narrative of the Exodus and the theological doubts that Israel expresses?

Session 4: If Shabbat, and the week generally, is sustained today on the basis of love, why does the Torah seem to think it requires a very harsh enforcement regime (including capital punishment)?

Session 5: Why does the Torah claim that Shabbat observance furnishes us with knowledge of God? Can the week prove that we’re not alone?

Session 1

Session 1 - 03/03/2022

Session 2

Session 2 - 03/10/2022

Session 3

Session 3 - 03/24/2022

Session 4

Session 4 - 03/31/2022

Session 5

Session 5 - 04/07/2022

Source – Session 1:

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Source – Session 2

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Source – Session 3

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Source – Session 4

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Source – Session 5

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