Tolemeo

“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

“When you light a candle, you also cast a shadow.”
― Ursula K. Le Guin

“I love deadlines. I love the whooshing noise they make as they go by.”
― Douglas Adams, The Salmon of Doubt: Hitchhiking the Galaxy One Last Time

“Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.”
― Terry Pratchett, Jingo