Humor: Greenspun’s Tenth Rule of Programming

[2011-01-10] programming languages, life, humor
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This post is nerd humor, so beware. The following rule was written around 1993:

Any sufficiently complicated C or Fortran program contains an ad hoc, informally-specified, bug-ridden, slow implementation of half of Common Lisp.
One of the follow-ups is hilarious:
…including Common Lisp.
If you are looking for the other nine rules, you are out of luck, as Greenspun himself explains:
Sorry, Han-Wen, but there aren’t 9 preceding laws. I was just trying to give the rule a memorable name.