Ferris: Life moves pretty fast. If you don't stop and look around once in a while, you could miss it.
Sarah: Did you say hello?
Worm: No, I said 'ello, but that's close enough.
Jack Burton: Hey, I'm a reasonable guy. But I've just experienced some very unreasonable things.
Thornton Melon: Listen, Sherlock. While you were tucked away up here working on your ethics, I was out there busting my hump in the real world. And the reason guys like you got a place to teach is 'cause guys like me donate buildings.
Sheriff Loomis: You listen to me, you son-of-a-bitch! There's a kid out there usin' his car to kill people, not that it's such a big deal since it seems to be your gang he's got it in for... so, if you guys try to take the law into your own hands, and that killer turns up dead, I'm gonna see you all sniffin' cyanide in the Arizona gas chamber.
Kirk: Mr. Spock, have you accounted for the variable mass of whales and water in your time re-entry program?
Spock: Mr. Scott cannot give me exact figures, Admiral, so... I will make a guess.
Kirk: A guess? You, Spock? That's extraordinary.
Spock: [to Dr. McCoy] I don't think he understands.
McCoy: No, Spock. He means that he feels safer about your guesses than most other people's facts.
Spock: Then you're saying... It is a compliment?
McCoy: It is.
Spock: Ah. Then, I will try to make the best guess I can.
McCoy: Please do.
Coach Norman Dale: If you put your effort and concentration into playing to your potential, to be the best that you can be, I don't care what the scoreboard says at the end of the game, in my book we're gonna be winners.