Zoroaster Zoroaster Zoroaster (, ; "Zōroastrēs"), (Persian: زرتشت pronounced as Zartusht) also known as Zarathustra (, ; "Zaraθuštra"), Zarathushtra Spitama, or Ashu Zarathushtra, was an ancient Persian prophet, spiritual leader and ethical philosopher who taught a spiritual philosophy of self-realization and realization of the Divine. His teachings challenged the existing traditions of the Indo-Iranian religion and later developed into the religion of Mazdayasna or Zoroastrianism. He inaugurated a movement that eventually became the dominant religion in Ancient Persia. He was a native speaker of Old Avestan and lived in the eastern part of the Iranian Plateau, but his exact birthplace is
Zoroaster that literature was predominantly Greek, though at one stage or another various parts of it passed through Aramaic, Syriac, Coptic or Latin. Its ethos and cultural matrix was likewise Hellenistic, and "the ascription of literature to sources beyond that political, cultural and temporal framework represents a bid for authority and a fount of legitimizing "alien wisdom". Zoroaster and the magi did not compose it, but their names sanctioned it." The attributions to "exotic" names (not restricted to magians) conferred an "authority of a remote and revelatory wisdom." Among the named works attributed to "Zoroaster" is a treatise "On Nature" ("Peri