In the broadest categories, the conflict of our day is theism versus naturalism. Theism is the belief that there is a transcendent God who created the universe; naturalism is the belief that natural causes alone are sufficient to explain everything that exists. The most fundamental questions reflect these categories: Is ultimate reality God or the cosmos? Is there a supernatural realm, or is nature all that exists? Has God spoken and revealed his truth to us, or is truth something we have to find,