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 physeos"), which appears to have originally constituted four volumes (i.e. papyrus rolls). The framework is a retelling of Plato's Myth of Er, with Zoroaster taking the place of the original hero. While Porphyry imagined Pythagoras listening to Zoroaster's discourse, "On Nature" has the sun in middle position, which was how it was understood in the 3rd century. In contrast, Plato's 4th-century BCE version had the sun in second place above the moon. Ironically, Colotes accused Plato of plagiarizing Zoroaster, and Heraclides Ponticus wrote a text titled "Zoroaster" based on his perception of "Zoroastrian" philosophy, in order to express his disagreement