Scripture written by man. Scripture that was "processed" over - what books made it into the Bible, which didn't. Again that's assuming the Bible is the "one" book.
I would just find it depressing if man were truly alone in the Universe. We have some great traits, but by and large our brains are ill-equipped to handle today's modern society. I'd like to think somewhere in the Universe some other sentient beings have progressed beyond us both technologically, ethically, intellectually and culturally. The history of man for the most part is very depressing. Maybe that's why we need to be "saved". However, my own opinion is that we are not alone in the Universe. Our time on the planet is probably limited, but that might be thousands of years it might be millions. Eventually we'll probably do ourselves in or get hit w/a comet (or some other disaster). Hopefully something will emerge that's better than man.
