Our reasons for believing Jesus existed and also that He was who He claimed to be - the God who came down - are the same reasons for believing any fact of history: the documentation is substantial and it passes all the tests of historical reliability. Scholars - both liberal and conservative - overwhelming agree that Jesus of Nazareth was a man of history and the Gospels, on the main, tell His story accurately.
Greg KouklChristianity is actually "true Truth," as Francis Schaeffer used to put it. God really does exist, Heaven actually is real (along with Hell), Jesus really did live and He did the things the historical records - the Gospels - say He did, the resurrection of Christ really happened, and there really is hope each of us can count on for "the kind of perfect world our hearts have always longed for."
Greg KouklSomething good made something bad possible (though not inevitable). Humans, however, didn't use their freedom well. Instead of using it to honor God in friendship, they used it to rebel.
Greg KouklIn the Story of Reality man does not rescue himself for his own glory. Instead, God rescues man for His glory. Every other story describes what man needs to do to fix himself and save him from whatever else is wrong with the world.
Greg KouklEvil did not catch God by surprise. He had a rescue plan, and He's still in the process of working out His plan.
Greg Koukl