There's a lot of science in it, and as Slartibartfast [in The Hitchhiker's Guide to the Galaxy] said: 'I am a great fan of science, but I cannot do a quadratic equation.' I've never, ever been able to do one. I remember one occasion at Warwick University, when Jack and Ian were at their wits' end because I couldn't get it. I felt totally ashamed.
Terry PratchettCats don't hunt seals. They would if they knew what they were and where to find them. But they don't, so that's all right.
Terry PratchettIn her own special category, she was quite beautiful. This was the category of all the women, in his entire life, who had ever thought he was worth smiling at.
Terry PratchettAnd what had he wanted? He'd never sat down to think about it. But mostly, he wanted yesterday to be different from today.
Terry Pratchett