[Gooch]

and a few more ..

"So we're surrounded by absolutely nothing. There's a word for it. It's
what you get when there's nothing left and everything's been used up."
- "Yes. I think it's called the bill."

-- (Terry Pratchett, Eric)

- "What're quantum mechanics?"
- "I don't know. People who repair quantums, I suppose."

-- (Terry Pratchett, Eric)

Any wizard bright enough to survive for five minutes was also bright enough to realise that if there was any power in demonology, then it lay with the demons. Using it for your own purposes would be like trying to beat mice to death with a rattlesnake.

-- Why summoning demons is a Bad Idea (Terry Pratchett, Eric)