When some random internet dude tries to tell you there's no evidence that Jesus even existed, you need to be prepared with at least some knowledge of the facts. Not only did Jesus actually exist - as atheist scholar Bart Ehrman points out - but skeptical scholars go even further.
Tom Gilson responds to a personal challenge from an atheist author's book, The Case Against Miracles. During his study, Gilson realized that the author's conception of good differs greatly from a Christian view, and points to some of the implications.