The Bible has, in many instances, been proven correct by science.
http://i.imgur.com/LWMj2F5.png
...and you are right: there is no proof of a god, nor is there a proof that there is no god.
To some the Bible is "superstitious mumble-fuck" (and, to some degree, I agree with that) but the Bible has many lessons we can all learn from.
I think the two biggest problems with the Bible are 1) those who have rewritten it, edited it and changed it to fit their wants, and 2) those who believe its every word.
Believing in something can be a dangerous thing. All wars start with "I/We believe..."