To this day no one really knows whether India's most renowned philosopher, Shankara, lived about 500
b.c. or 500 a.d. A thousand years more or less means nothing to the old-time Oriental, apparently. Of course, our Western professors may give you Shankara's "precise" dates, but the latter are nothing more than guesses.
-- Notebooks Category 15: The Orient > Chapter 2: India > # 46