Ethical dualism or, as theorized by Descartes, between thought and extension. Ethical dualism on the other hand highlights the moral dimension instead or in addition to the metaphysical one, and envisions an inherent situation of conflict between two antagonistic forces, like light and darkness, Good and Evil. One of the most known and clear-cut interpretations of ethical dualism is the one conceptualized by Zoroastrianism, the ancient Persian religion, which bases its thought on the figure of the prophet Zoroaster (or Zarathustra), who claimed the existence of two original and contrasting principles, Ahura Mazda and Ahriman, respectively representing the forces of Good and
Thus Spoke Zarathustra as a teenager, but this work remains unpublished. The short score of the third symphony by Arnold Bax originally began with a quotation from Thus Spoke Zarathustra: ‘My wisdom became pregnant on lonely mountains; upon barren stones she brought forth her young’. Latin American writer Giannina Braschi wrote the philosophical novel "United States of Banana" based on Walter Kaufman's translation of "Thus Spoke Zarathustra"; in it, Zarathustra and Hamlet philosophize about the liberty of modern man in a capitalist society. Italian progressive rock band Museo Rosenbach released in 1973 the album "Zarathustra", with lyrics referring to the book. "Also Sprach