Patricia Whitmore: Is Mommy sleeping now?
President Thomas Whitmore: Yeah, Mommy is sleeping now.
Constance: Now what do we do?
President Thomas Whitmore: Address the nation. There's gonna be a lot of frightened people out there.
Constance: Yeah. I'm one of 'em.
Julius Levinson: David. What the hell are you doing?
David Levinson: Making a mess!
Julius Levinson: Yes, this I can see.
Reporter: Los Angeles, New York and Washington D.C. Have been left in ruins.
Russel Casse: Good God! I've been sayin' it. I've been sayin' it for ten damn years. Ain't I been sayin' it, Miguel? Yeah, I've been sayin' it.
Captain Steven Hiller: Look, I really don't think they flew 90 billion light years to come down here and start a fight.
David Levinson: A toast, to the end of the world.
Captain Steven Hiller: Welcome to Earth!
Russel Casse: Payback's a bitch, ain't it?
Philip: This could be our last night on Earth. You don't want to die a virgin, do you?
Dr. Okun: Mr. President! Wow! This is... What a pleasure. As you can imagine, they... They don't let us out much.
Julius Levinson: All you need is love. John Lennon, smart man. Shot in the back, very sad.
Russel Casse: I picked a hell of a day to quit drinkin'.
David Levinson: You really think you can fly that thing?
Captain Steven Hiller: You really think you can do all that bullshit you just said?
Captain Steven Hiller: I ain't heard no fat lady!
David Levinson: Forget the fat lady. You're obsessed with fat lady. Just get us out of here!
Gen. Gray: Are you all right?
President Thomas Whitmore: I saw... Its thoughts. I saw what they're planning to do. They're like locusts. They're moving from planet to planet... Their whole civilization. After they've consumed every natural resource they move on... And we're next. Nuke 'em. Let's nuke the bastards.
Julius Levinson: If I had known I was gonna meet the president I would've worn a tie. Look at me, I look like a schliemiel.
Captain Jimmy Wilder: Kick the tires and light the fires, big daddy.
Captain Steven Hiller: No, you did NOT shoot that green shit at me!
David Levinson: Must go faster.
Answer: Remember that the aliens had to interface with our satellite computer code first...David simply "reverse engineered" the code to create the virus. When it was uploaded, they didn't have enough time to combat it.