“He was mightily impressed by science, and he accepted from Descartes the view that the right way to build up the edifice of our scientific knowledge was to start from indubitable premises and deduce the consequence of these by logical reasoning. But at the same time he saw that Descartes’ philosophy left certain fundamental problems unsolved. If total reality consists of two different sorts of substance that are ultimately distinct, namely material substance and mental substance, or matter and mind, how is it possible for mind to move matter around in space?”(Magee, 1998: 91)
