alt.fan.pratchett (1 December 1998) http://www.lspace.org/fandom/afp/timelines/discussions/is-pterry-going-downhill.html
Usenet
Terry Pratchett: Trending quotes (page 4)
Terry Pratchett trending quotes. Read the latest quotes in collection
Truckers, Ch. 7
The Nome Trilogy (1989 - 1990)
The Carpet People (1971; 1992)
The Unadulterated Cat (1989)
alt.fan.pratchett (22 November 1993) http://www.lspace.org/ftp/words/pqf/pqf
Usenet
The Carpet People (1971; 1992)
“My programming language was solder.”
On his early computers, from a talk "When I Were A Lad, We Used To Dream of 64K" at the 63rd World Science Fiction Convention in Glasgow, Scotland, (August 2005)
General sources
Relatively Einstein http://www.bbc.co.uk/radio4/science/relativelyeinstein.shtml episode 3, "Fantasy Physics" (18 January 2005); the Discworld version of this statement appears in Night Watch (2002)
General sources
Usenet
Usenet
The Unadulterated Cat (1989)
The Unadulterated Cat (1989)
"I create gods all the time - now I think one might exist" (2008)