Authors:
  • 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 Pratchett: 'Fantasy is uni-age'" by Stephen Moss, www.theguardian.com. April 22, 2013.