Fred Phelps, Jerry Falwell, Glenn Beck, Ann Coulter, Osama bin Laden, and a couple dozen or so others all spontaneously being struck by lightning on a clear day would provide a level of evidence that a god I am willing to follow exists.
If the Christian god proved beyond a doubt that he existed, right this moment, I still would not follow him anymore than I would follow Hitler.
If the Christian god proved beyond a doubt that he existed, right this moment, I still would not follow him anymore than I would follow Hitler.