From its origins in classical thought and Christianity, Western culture has always had a strong tendency towards universalism. This principle has long been expressed in the idea of the unity of human kind and the belief that all human beings had a common origin and were equal before God. During the European Enlightenment, these Christian concepts were secularized to produce the notions of a common human nature and universal human rights. At the same time, the West produced a scientific method that was so successful its practitioners assumed they had found the key that would open the way to knowledge...