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The most sacred duty, the supreme and urgent work, is to deliver humanity from the malediction of Cain - fratricidal war.

"Paroles d'un sage: Choix de pensées d'African Spir" ("Words of a Sage : Selected thoughts of African Spir") by Hélène Claparède-Spir, (p. 51), 1937.
The most sacred duty, the supreme and urgent work, is to deliver humanity from the malediction of Cain - fratricidal war.