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
Zoroaster this 'Ragha' and with many other places appear as locations in Western Iran. While the land of Media does not figure at all in the Avesta (the westernmost location noted in scripture is Arachosia), the "Būndahišn", or "Primordial Creation," (20.32 and 24.15) puts Ragha in Media (medieval Rai). However, in Avestan, Ragha is simply a toponym meaning "plain, hillside." Apart from these indications in Middle Persian sources that are open to interpretations, there are a number of other sources. The Greek and Latin sources are divided on the birthplace of Zarathustra. There are many Greek accounts of Zarathustra, referred usually