It had a very long pendulum, and the pendulum swung with a slow tick-tock that set his teeth on edge, because it was the the kind of delibrate, annoying ticking that wanted to make it abundantly clear that every tick and every tock was stripping another second off your life.
Terry PratchettThat's why it's always worth having a few philosophers around the place. One minute it's all is truth beauty and is beauty truth, and does a falling tree in the forest make a sound if there's no one there to hear it, and then just when you think they're going to start dribbling one of 'em says, incidentally, putting a thirty-foot parabolic reflector on a high place to shoot the rays of the sun at an enemy's ships would be a very interesting demonstration of optical principles.
Terry Pratchett