Tikvah
Editors’ Pick

June 18, 2026

The Medieval German Pietists and the Ascetic Impulse

Not un-Jewish, and not quite mainstream either.

Active in the 12th and 13th centuries, the Hasidei Ashkenaz, or German pietists (unrelated to today’s Hasidim) were led by members of two of the most prominent Jewish families the Rhineland. Their teachings, documented in Sefer Hasidim (“The Book of the Pious”), rely heavily on self-denial and self-mortification. Yonah Lavery-Yisraeli notes that most 21st-century Jewish readers

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