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
Zartosht Bahram-e Pazhdo father was named Petrasp, who was the Grandfather of Zoroaster. Zoroaster's mother was named Doghdovi and when she was five month pregnant with Zoroaster, she had a dream. The story is about Arda Viraf, a Zoroastrian priest who takes a spiritual journey into heaven and hell. The Persian poem is based on the Middle Persian Book of Arda Viraf. Being an important Persian poet of Zoroastrian faith, Zartosht Bahram has brought down the most comprehensive biography of Zoroaster from a Zoroastrian point of view. He has also used many Middle Persian words Bahram Pazhdu in Encyclopedya Iranica by J. Amuzegar