For Jaspers, the period begins with the Persian prophet Zoroaster, around 800 BC, and ends around 200 BC, to be followed by a Spiritual Age that centers on figures like Jesus and Mohammed. For my own purposes, I find it more useful to combine the two. Let us define the Axial Age, then, as running from 800 BC to 600 AD.3 This makes the Axial Age the period that saw the birth not only of all the world’s major philosophical tendencies, but also all of today’s major world religions: Zoroastrianism, Prophetic Judaism, Buddhism, Jainism, Hinduism, Confucianism, Taoism, Christianity, and Islam.4 The
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