Zoroaster Moses, Jesus and Muhammad had all brought them, so why did you not believe in any of these prophets, having believed in Zoroaster, through the tales that came to you about him, informing that he brought forth what others did not?” Ahmadi Muslims view Zoroaster as a Prophet of God and describe the expressions of Ahura Mazda, the god of goodness, and Ahraman, the god of evil, as merely referring to the coexistence of forces of good and evil enabling humans to exercise free will. Mirza Tahir Ahmad, the fourth Caliph of the Ahmadiyya Muslim Community, in his book "Revelation,
Zoroaster and Darius I. Zoroastrianism eventually became the official religion of Ancient Persia and its distant subdivisions from the 6th century BCE to the 7th century CE. Zoroaster is credited with authorship of the Gathas as well as the Yasna Haptanghaiti, hymns composed in his native dialect, Old Avestan, and which comprise the core of Zoroastrian thinking. Most of his life is known from these texts. By any modern standard of historiography, no evidence can place him into a fixed period, and the historicization surrounding him may be a part of a trend from before the 10th century that historicizes legends