Zoroaster scholars, philosophers, and theologians to test his knowledge on religion and jurisprudence. Among the summoned scholars was a Zoroastrian High Priest. Al-Ridha questioned the priest on his beliefs saying,“Tell me about Zoroaster, whom you claim is a prophet; what is your evidence for his Prophethood?” to which the response was “We did not see him, but the tales of our ancestors informed us that he had legalized for us what no other person before had made legal.” Imam Al-Ridha responded “This is the case with all other nations. Tales had come to them about what the prophets had accomplished, what
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