Zoroaster other Zoroastrian elements are either not part of Zoroaster's own teachings or are used quite differently from how they are used in Zoroastrianism. Zoroaster appears in the Bahá'í Faith as a "Manifestation of God", one of a line of prophets who have progressively revealed the Word of God to a gradually maturing humanity. Zoroaster thus shares an exalted station with Abraham, Moses, Krishna, Jesus, Muhammad, the Báb, and the founder of the Bahá'í Faith, Bahá'u'lláh. Shoghi Effendi, the head of the Bahá'í Faith in the first half of the 20th century, saw Bahá'u'lláh as the fulfillment of a post-Sassanid Zoroastrian
Thus Spoke Zarathustra Zarathustra recognizing that his legacy is beginning to perpetuate, and consequently choosing to leave the higher men to their own devices in carrying his legacy forth. "Zarathustra" also contains the famous dictum "God is dead", which had appeared earlier in "The Gay Science". In his autobiographical work "Ecce Homo", Nietzsche states that the book's underlying concept is discussed within "the penultimate section of the fourth book" of 'The Gay Science' ("Ecce Homo", Kaufmann). It is the eternal recurrence of the same events. This concept first occurred to Nietzsche while he was walking in Switzerland through the woods along the lake