In Meditations on First Philosophy, French philosopher Rene Descartes, now regarded as the father of Western philosophy, introduces the concept of the dichotomythe separation of mind and bodyby determining, I think, therefore I am. Over the course of six meditations, each presented as though they were the meditations of a single day, Descartes contemplates certainty and uncertainty, dismissing everything that cannot be known definitely, and making a case for the few things that can indeed be kn ...