That's Greenspun's 10th rule. The full version of which is, "Any sufficiently complicated C or Fortran program contains an ad-hoc, informally-specified, bug-ri

That's Greenspun's 10th rule. The full version of which is, "Any sufficiently complicated C or Fortran program contains an ad-hoc, informally-specified, bug-ridden, slow implementation of half of CommonLisp." Robert Morris' addendum is, "Including Common Lisp." If you don't believe Robert Morris, tell me what LOOP does. :-) (Note, this is the Robert Morris who wrote the first major internet worm, cofounded Viaweb with Paul Graham, and cofounded YCombinator, again with Paul Graham.)