world-view. We think metaphysics as naturally and inevitably as we speak prose. The physical reductionist who claims that there is nothing but matter and energy, and no truth but the truth of science, is making a metaphysical statement as clearly as someone who looks at the world from a theistic perspective. The reductionists have not derived their belief from science alone. Everyone, implicitly or explicitly, has a metaphysics. Scientism is the metaphysical belief that science tells us all that