A novice had a problem and could not find a solution. "I know," said the novice, "I'll just use Perl!" The novice now had two problems.

Paraphrasing Jamie Zawinski, and also formulated as "The unemployed programmer had a problem. 'I know,' said the programmer, 'I'll just learn Perl.' The unemployed programmer now had two problems." in his famous "Perl treatise", Re: can lisp do what perl does easily? (Usenet article).