Project Leader: He says the sun came out last night. He says it sang to him.

Roy Neary: Is that it? Is that all you're gonna ask me? Well I got a couple of thousand goddamn questions, you know. I want to speak to someone in charge. I want to lodge a complaint. You have no right to make people crazy! You think I investigate every Walter Cronkite story there is? Huh? If this is just nerve gas, how come I know everything in such detail? I've never been here
before. How come I know so much? What the hell is going on around here? Who the hell are you people?

Claude Lacombe: Major Walsh, it is an event sociologique.

Roy Neary: I wanna speak to the man in charge.
David Laughlin: Mr. Lacombe is the highest authority.
Roy Neary: He isn't even an American.

Air Traffic Controller: TWA 517 do you want to report a UFO, over? TWA 517 do you want to report a UFO, over?
TWAPilot: [over radio] Negative, we don't want to report.
Air Traffic Controller: Air East 31, do you wish to report a UFO, over?
AirEast Pilot: [over radio] Negative, we don't want to report one of those either.
Air Traffic Controller: Air East
31, do you wish to file a report of any kind to us?
AirEast Pilot: [over radio] I wouldn't know what kind of report to file, Center.
Air Traffic Controller: Uh Air East 31, uh, me neither.

Brad Neary: I don't understand these fractions.
Roy Neary: What's one third of sixty?
Brad Neary: [bewildered] That's a fraction, I don't understand them.
Roy Neary: [using a model train as an object lesson] Alright, let's say that this boxcar is sixty feet long, OK?, and one third of it is across this switch
here, alright... And now another train is coming... Now, how far do you have to move this boxcar so that the other train doesn't smash it? Quickly Brad, there are thousands of lives at stake... Brad any answer...
[CRASH]

Dirty Tricks #4: [Plotting about how to clear the Devil's Tower area of its population] Contaminated water. Affects people, crops, animals. Disease.
Dirty Tricks #3: Yeah, epidemic.
Dirty Tricks #1: What kind of disease?
Dirty Tricks #3: A plague. A plague epidemic.
Dirty Tricks #1:
Nobody's gonna believe a plague in this day and age.
Dirty Tricks #2: *Anthrax.*
Dirty Tricks #4: Ranching country.
Dirty Tricks #3: Yes!
Dirty Tricks #2: There are a lot of sheep up in those hills.
Wild Bill: Wait, that's good, that's good, I like that. But it may not evacuate
everybody. There's always some joker who thinks he's immune. What I need is something so scary it'll clear three hundred square miles of every living Christian soul.

Jillian Guiler: [on the police inquiring about her missing son] They asked me if I'd seen any strangers in the neighborhood.

Farmer: [at press conference to discuss UFOs] I saw Bigfoot once!
[everyone in thr room reacts. The Farmer stands up]
Farmer: Sequoia National Forest, 1951! It made a sound that I would not want to hear twice in my life.
[sits down]