'DON'T THINK OF IT AS DYING', said Death. 'JUST THINK OF IT AS LEAVING EARLY TO AVOID THE RUSH.'
That'd be Terry Pratchett - not sure which book though. One of his Discworld series.
I'm gonna admit to not reading very much of his work. It's on my list to read. I've got a free Kindle book voucher about to expire - need some ideas of what to buy! I'm currently reading The Stand by Stephen King.
My clue is not an old, classic or famous book, but one of my favourites. Really should read it again.
"Yes, of course duct tape works in a near-vacuum. Duct tape works anywhere. Duct tape is magic and should be worshiped."