Do you believe that Manson talked to God? How about Jim Jones? The Branch Davidians? That woman that cut off her childs arms because God commanded her to do so? Where do you draw the line?
I understood Nietsczhe, Plato, Diderot, Heidigger, Locke, and Spinoza perfectly after reading one page of each of their works. Same with the Bible, I don't know why anyone would need to study a 2000 page book.