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
Also sprach Zarathustra (Strauss) Also sprach Zarathustra (Strauss) , Op. 30 (Thus Spoke Zarathustra or Thus Spake Zarathustra) is a tone poem by Richard Strauss, composed in 1896 and inspired by Friedrich Nietzsche's philosophical novel of the same name. The composer conducted its first performance on 27 November 1896 in Frankfurt. A typical performance lasts half an hour. The initial fanfare – titled "Sunrise" in the composer's program notes – became well-known after its use in Stanley Kubrick's 1968 film "". The work is orchestrated for piccolo, 3 flutes (3rd doubling piccolo), 3 oboes, English horn, clarinet in E-flat, 2 clarinets in B-flat, bass