Within the walls of the well-known Warsaw Ghetto uprising, another kind of resistance was mounted, not by combatants, but rather by a group of poets, artists, and historians known as the Oyneg Shabbes collective. Far less known than the Ghetto, that literary and artistic circle composed and ultimately buried thousands of documents attesting to the suffering under Nazi oppression. Among those documents, recovered after the war, was a manuscript of weekly sermons delivered during three ...