Greenspun's Tenth Rule of Programming: any sufficiently complicated C or Fortran program contains an ad hoc informally-specified bug-ridden slow implementation of half of Common Lisp.
Philip GreenspunSQL, Lisp, and Haskell are the only programming languages that I've seen where one spends more time thinking than typing.
Philip GreenspunThe book the Ziff folks sent me as an example of their art was 'Late Night VRML 2.0 with Java,' 700 pages + CD-ROM, published February 1997. I was personally acquainted with more movie stars than people who might conceivably have wanted to buy this book or any book like it.
Philip Greenspun