Puritans are suck and all....
However, Our personal and collective ethics and thought patterns, as an embodiment of western civilization, derive from Judeo / Christian ethics. Whether we like it or not, most assumptions we make and actions we take everyday and don't even think about are done because that's what Christians and Jews did back in the day. One could make the argument that those ethics, in fact, derive from pre-christian civilizations like the Greeks, Romans, or Pagans. However it is impossible to deny that out civilization has been largely influenced by religious philosophers such as DeCarte (sp?) and St. Augustine, and even Jesus.