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,
Zoroastrianism progress towards perfection". Its basic maxims include: The name "Zoroaster" is a Greek rendering of the name "Zarathustra". He is known as "Zartosht" and "Zardosht" in Persian and "Zaratosht" in Gujarati. The Zoroastrian name of the religion is "Mazdayasna", which combines "Mazda-" with the Avestan language word "yasna", meaning "worship, devotion". In English, an adherent of the faith is commonly called a Zoroastrian or a Zarathustrian. An older expression still used today is "Behdin", meaning "The best Religion | Beh < Middle Persian Weh (good) + Din < Middle Persian dēn < Avestan Daēnā". In Zoroastrian liturgy the term is