Persian literature in Western culture its narrative. Nietzsche, a radical opposer of Greek Metaphysical thought, was the author of the book "Thus Spoke Zarathustra", referring to the ancient Persian prophet Zoroaster, as the prophet of his philosophy. Nietzsche held very high interest and respect for Persians. For example, where he speaks about the Persian notion of history and "cyclical Eternal Time", he writes: "I must pay tribute to Zarathustra, a Persian, for Persians were the first who thought of history in its full entirety." and further adds: ""It was much more fortunate if Persians became masters (Herr) of the Greeks, than the very Romans." But
Zoroaster died when he was 77 years and 40 days old. The later Pahlavi sources like Shahnameh, instead claim that an obscure conflict with Tuiryas people led to his death, murdered by a "karapan" (a priest of the old religion) named Brādrēs. In the Gathas, Zoroaster sees the human condition as the mental struggle between "aša" (truth) and "druj" (lie). The cardinal concept of "aša"—which is highly nuanced and only vaguely translatable—is at the foundation of all Zoroastrian doctrine, including that of Ahura Mazda (who is "aša"), creation (that is "aša"), existence (that is "aša") and as the condition for free