The chapter explores that “nonbelievers” of religions have traditionally seemed threatening to some religious believers, especially Christians and Muslims. Religious people often assume that they know a lot about religions while nonbelievers don't. Think about it, in atheism, there is no moral right and wrong. There is no moral “should and shouldn't” Rick Warren embraces the purpose of glorifying God. Some scholars believe that excessive emphasis on divine purpose, particularly when it is focused on the expected reward in the afterlife, can have a detrimental effect on purposeful living. In debates about atheism, many people say that while it may be impossible to prove that God exists, it's also impossible to prove that God doesn't exist. Through history there have been tens of thousands of religions.