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 and myths. Zoroaster's name in his native language, Avestan, was probably "Zaraϑuštra". His English name, "Zoroaster", derives from a later (5th century BCE) Greek transcription, "Zōroastrēs" (), as used in Xanthus's "Lydiaca" (Fragment 32) and in Plato's "First Alcibiades" (122a1). This form appears subsequently in the Latin "" and, in later Greek orthographies, as Ζωροάστρις "Zōroastris". The Greek form of the name appears to be based on a phonetic transliteration or semantic substitution of Avestan "zaraϑ-" with the Greek ζωρός "zōros" (literally "undiluted") and the Avestan "-uštra" with ἄστρον "astron" ("star"). In Avestan, "Zaraϑuštra" is generally accepted to derive from