Tikvah
Editors’ Pick

September 28, 2026

The Inner Life of Franz Rosenzweig

A new biography of an underappreciated 20th-century Jewish philosopher.

Highly esteemed for his depth and originality among experts in both German philosophy and modern Jewish thought, Franz Rosenzweig is surprisingly little known beyond these circles. A new biography by Paul Mendes-Flohr, Love Is Strong as Death—titled after a line in Song of Songs, which Rosenzweig viewed as “focal-book of revelation” and the most eloquent statement in all of Hebrew Scripture on the divine–human relationship—is the product of 40 years of work and access to Rosenzweig’s unpublished diaries and letters. Daniel Ross Goodman writes in his review:

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