Modern scholarship has revised this dating. It is now certain that Zoroaster did not live during the sixth century, but was a much earlier figure. It is very difficult to date some of these movements precisely, especially in India, where there was very little interest in history and no attempt to keep accurate chronological records. Most Indologists now agree, for example, that the Buddha lived a whole century later than was previously thought. And Laozi, the Daoist sage, did not live during the sixth century, as Jaspers assumed. Instead of being the contemporary of Confucius and Mozi, he
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