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 who cited a prophecy from a lost Avestan book in which Zoroaster foretold the Empire's destruction in three hundred years, but the religion would last for a thousand years. The birthplace of Zoroaster is also unknown, and the language of the Gathas is not similar to the proposed north-western and north-eastern regional dialects of Persia. It is also suggested that he was born in one of the two areas and later lived in the other area. "Yasna" 9 and 17 cite the Ditya River in Airyanem Vaējah (Middle Persian "Ērān Wēj") as Zoroaster's home and the scene of his first