You could try convincing people that you found a magic golden book, and that you put a magic rock in a magic hat, which translates the magic golden book for you...

No wait, the Mormons already did that...


Let's see... You could write some fantastic story about an ancient space alien who tied all his enemies to volcanoes then blew them up with nuclear bombs...

Shit, that's Scientology...

Hmm... Seems like all the good ideas have already been taken