I love:
"Now," he grunted through the grille. "I'll show you what happens when someone lays a hand on my sister."- Butler
"Amazing," said Root. "Tell me about it," agreed Foaly.
"There are two things under this world that I really despise."
"One is a stinkin' dwarf."()
"And the other is a traitor to his own kind. And from what I hear, you fall neatly into both categories." Mulch smiled weakly."Just my luck."
"Luck ain't got nothin' to do with it. Fortune delivered you into my hands."
"Too much damned TV. Thinks he's Sherlock Holmes."
"That's Professor Moriarty," corrected Foaly.
"Holmes,Moriarty, they both look the same with the flesh scorched off their skulls."
"I don't like lollipops"-Artemis Fowl
"Excuse me for inturrepting your extended circus metaphor,
but what the hell is that?"- Foaly
"Lets proceed under the assumption that the fairy folk do exist, and that I'm not a gibbering moron."- Artemis Fowl
"At the risk of sounding cliched, I've been expecting you."-Artemis
"My bugs don't have bugs."- Foaly (I think)
"Foaly push that button before I come up there and push
it with your face."- Commander Root
"Trust me. I haven't been wrong yet."- Artemis (I think)
And those are all the ones I can think of at the moment. Love quotes.