What Is Religion What is religion? According to an Oxford dictionary, religion is the belief in the existence of a supernatural ruling power, the creator and controller of the universe, who has given to man a spirtual nature which continues to exist after the death of the body. Religion appears to be a simple idea on the surface, but in reality it is a very complex system of ideas that many base their lives upon. There are many religions in the world. Christianity seems to be the one religion believed widely in the modern world. However, this is not the case in a group of five people in a World Religion class. These five people share common knowledge on several aspects of