The crucial importance–and the mystery–of Zoroastrianism lies partly in its introduction of abstract concepts as gods, and partly in its other features, some of which find echoes in Buddhism and Confucianism, and some of which appear to have helped form Judaism, and therefore Christianity and Islam. According to Friedrich Nietzsche, Zarathustra was the source of the ‘profoundest error in human history–namely the invention of morality’.96 Zarathustra envisaged three types of soul: the urvany, that part of the individual which survived the body’s death; fravashi, who ‘live the earth since the
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