The life of West, Nietzsche said, is based on Christianity. The values of the West are based on Christianity. Some of these values seem to have taken a life of their own, and this gives us the illusion that we can get rid of Christianity and keep the values. This, Nietzsche says, is an illusion...Remove the Christian foundation, and the values must go too.
Dinesh D'Souza (2008). “What's So Great About Christianity”, p.77, Regnery Publishing