yorolpal
Practically any line from "Dr. Strangelove"

Gentlemen, don't fight!  This is the war room! [or something along those lines]

Too many great ones to remember.
 
How about:
Brian: What will they do to me?
Ben the Prisoner: Oh you'll probably get away with crucifixion.
Brian: CRUCIFIXION?
Ben the Prisoner: Yeah, first offense.
 
 
or 
 
Reg: All right, but apart from the sanitation, medicine, education, wine, public order, irrigation, roads, the fresh water system and public health, what have the Romans ever done for us?
Attendee: Brought peace?
Reg: Oh, peace - shut up!
 
or
 
Adam: What are your qualifications?
Beetlejuice: Ah. Well... I attended Juilliard... I'm a graduate of the Harvard business school. I travel quite extensively. I lived through the Black Plague and had a pretty good time during that. I've seen the EXORCIST ABOUT A HUNDRED AND SIXTY-SEVEN TIMES, AND IT KEEPS GETTING FUNNIER EVERY SINGLE TIME I SEE IT... NOT TO MENTION THE FACT THAT YOU'RE TALKING TO A DEAD GUY... NOW WHAT DO YOU THINK? You think I'm qualified?

"We're on a mission from God."

The way you're lollygaggin around with those picks and those shovels, you'd think it was a hunnerd n twenty degrees! Cain't be more than a hunnerd n fourteen.

S'cus me while I whip this out.

"Nervous?"
"Yes."
"First time?"
"No, I've been nervous many times."

How 'bout s'more beans Mr. Taggert?

Bueller?
 
 
 
 
Bueller?  

'Was this the guy you saw?' (holding up severed toe)
 
'No..he seemed taller..'

"I went to a play once where these guys were running around with bags on their heads, but other than that they were completely naked. I kept thinking I recognized one of them. But it was hard to tell since he had such a small part." -Blanche from the Golden Girls