In this examination of problems in the modern world, Michio Kitahara argues that a logical inconsistency in the philosophy of Enlightenment has caused humans to approach their environment in a way that is inconsistent with their biological background. Human biological and cultural evolution has created a form of suffering that derives in part from Western civilization's simultaneous acceptance and rejection of human variation. Both specialists and the general public assume that evolution is good and desirable, but Kitahara's analysis suggests the opposite: that evolution itself is tragic....