[1] Baháʼís believe that Baháʼu'lláh, born as Mírzá Ḥusayn-ʻAlí Núrí, is a descendant of Zoroaster and the last Zoroastrian king Yazdegerd III (d.
Baha'is believe that Zoroaster, inspired by God, rebelled against the pagan Aryan priesthood to preach a universal monotheism alongside an ethical dualism.
[5] Other key principles of Zoroaster's teachings included the search for truth, selfless love of others, respect for nature, and moral courage.
Baha'is believe that the original Zoroastrian religion was essentially monotheist, with the "evil principle" of Angra Mainyu representing an impersonal, natural force.
As evidence of this, Baha'is point out that the earliest Gathas - thought to be composed by Zoroaster himself - do not make mention of an evil force independent of God, an attitude only found in the more recent writings of the Avesta.
Naw-Rúz is the first day of spring and the beginning of the year in Iranian calendar, was originally a Zoroastrian festival, and the holiest of them all.