Update 2012-12-12: see also Short quines, How I Learned About Quines.
or a bit shorter
update: more regex quine
Once (shame on you!)
Twice (shame on me!)
More often than I'd like to be
All the time
Just when answering stupid polls
Who you callin' a fool?
I refuse to vote in this ridiculous poll
Results (543 votes). Check out past polls.