Schopenhauer"s favorite book was a particular version of the Indian Upanishads. He encountered it just before he found the centerpiece of his philosophical system: his concept of will. Though he named it as the first of three main philosophical influences and kept calling it the most excellent book in the world, 150 years of Schopenhauer research have failed to explain the role of these Latin Upanishads. Based on Schopenhauer"s extant copy of the work, his notebooks and many additional sources, Urs App"s study (in German) offers a completely new picture of the genesis of Schopenhauer"s philosophy. It explains for the first time the role of Indian, Persian (Sufi), Neoplatonic, and mystical ideas in the birth of his philosophy and describes the central dynamic that gave direction to all of his work: Schopenhauer"s Compass. Schopenhauer war der erste gro?e Philosoph Europas, der schon in seiner Jugend tiefes Interesse an asiatischen Philosophien und Religionen zeigte. Vor der...