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 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