Ivan

“Some humans would do anything to see if it was possible to do it. If you put a large switch in some cave somewhere, with a sign on it saying 'End-of-the-World Switch. PLEASE DO NOT TOUCH', the paint wouldn't even have time to dry.”
― Terry Pratchett, Thief of Time

“No! Please! I'll tell you whatever you want to know!" the man yelled.
"Really?" said Vimes. "What's the orbital velocity of the moon?"
"What?"
"Oh, you'd like something simpler?”
― Terry Pratchett, Night Watch

“The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it.”
― Terry Pratchett, Diggers

“I do note with interest that old women in my books become young women on the covers... this is discrimination against the chronologically gifted.”
― Terry Pratchett