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'''Rene Descartes''' (1596-1650) is known as the father of modern philosophy.  He is most famous for his statement, "I think therefore I am" (in Latin, "Cogito, ergo sum").  A brilliant mathematician as well as a philosopher, Descartes viewed the mind as being in an unchallengable state very different from the body.

'''Rene Descartes''' (1596-1650) is known as the father of modern philosophy.  He is most famous for his statement, "I think therefore I am" (in Latin, "Cogito, ergo sum").  A brilliant mathematician as well as a philosopher, Descartes viewed the mind as being in an unchallengable state very different from the body.