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 be the Avesta. Alternatively, he appears with a mace, the "varza"—usually stylized as a steel rod crowned by a bull's head—that priests carry in their installation ceremony. In other depictions he appears with a raised hand and thoughtfully lifted finger, as if to make a point. Zoroaster is rarely depicted as looking directly at the viewer; instead, he appears to be looking slightly upwards, as if beseeching. Zoroaster is almost always depicted with a beard, this along with other factors bearing similarities to 19th-century portraits of Jesus. A common variant of the Zoroaster images derives from a Sassanid-era rock-face carving.