Douglass Adams Sci-fi writer for the BBC. That quote comes from The Guide ( The Hitchhiker's Guide to the Galaxy) I don't remember which book off the top of my head... The guide was originally started as a radio show and then written into book form. The entire story is split into 5books. They are not very long but 200-300 pgs each. If I personally believed in religion; that would be the closest thing to a bible I have. Definitely worth checking out. Adams is really insightful and funny.
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"The woods are lovely, dark, and deep
But I have promises to keep
And miles to go before I sleep
And miles to go before I sleep"