“I should have known the Jedi are plotting to take over!”
The first time i heard this i thought: What the hell are talking about you dumb idiot?! You started this mess to save your boring wife!
Years later i read on [http://fd.noneinc.com/secrethistoryofstarwarscom/secrethistoryofstarwars.com/theturn.html] that this quote was a left over from a previous seduced-to-the-dark-side-story-arc and Lucas (for whatever reason) kept it in the movie.