Greenspun&#x27;s Tenth Law [0] is a humorous aphorism that applies here.<p>&gt;&gt; Any sufficiently complicated C or Fortran program contains an ad-hoc, informally-specified, bug-ridden, slow implementation of half of Common Lisp.<p>[0] <a href="http:&#x2F;&#x2F;c2.com&#x2F;cgi&#x2F;wiki?GreenspunsTenthRuleOfProgramming" rel="nofollow">http:&#x2F;&#x2F;c2.com&#x2F;cgi&#x2F;wiki?GreenspunsTenthRuleOfProgramming</a>