- "I think there may be one or two steps in your logic that I have failed
to grasp, Mister Stibbons," said the Archchancellor coldly. "I suppose
you're not intending to shoot your own grandfather, by any chance?"
- "Of course not!" snapped Ponder, "I don't even know what he looked like.
He died before I was born."
- "Ah-*hah*!"
-- The faculty members of Unseen University discuss time travel
(Terry Pratchett, The Last Continent)
--[discworld]--