Army physician: [about Klaatu] He was very nice about it, but he made me feel like a third-class witch doctor.
Bobby Benson: Department of Commerce. She's a secretary. They have a man they call the Secretary, but he isn't at all. My mother's a *real* secretary.
Helen: Now, you didn't really see a spaceship, but you thought you did. Bobby Benson: I'd never call YOU a liar.
Klaatu: I won't resort to threats, Mr. Harley. I merely tell you the future of your planet is at stake.
Well, The Day the Earth Caught Fire was a story... I don't if anybody knows what it is but it was about... in the early days of testing nuclear bombs, that Russia and America happened to test a nuclear bomb at the same moment at different ends of the...
Reporter: I suppose you are just as scared as the rest of us. Klaatu: In a different way, perhaps. I am fearful when I see people substituting fear for reason.
Barnhardt: Tell me, Hilda, does all this frighten you? Does it make you feel insecure? Hilda: Yes, sir, it certainly does. Barnhardt: That's good, Hilda. I'm glad.
Army physician: Their life expectancy is a hundred and thirty. [Army physician offers Medical Corps Major a cigarette] Medical Corps Major: [Major takes cigarette] How does he explain that?
Great opportunities may come once in a lifetime, but small opportunities surround us every day.
George Barley: Why doesn't the government do something, that's what I'd like to know. Mr. Krull: What can they do, they're only people just like us. George Barley: People my foot, they're democrats.
Mrs. Crockett: You're a long way from home, aren't you, Mr. Carpenter? Klaatu: How did you know? Mrs. Crockett: Oh, I can tell a New England accent a mile away.
Klaatu: You have faith, Professor Barnhardt? Barnhardt: It isn't faith that makes good science, Mr. Klaatu, it's curiosity. Sit down, please. There are several thousand questions I'd like to ask you.
Sometimes I still worry that the next day will be the last day of the Earth.
I say it every day - I'm the luckiest man on earth.
Happiness is something we create ourselves. To our eyes, the sun appears to rise in the east every day to create a brilliant morning for the earth. The sun, however, does not create the morning alone: the earth also creates it actively as it rotates ...
Earth might one day soon resemble the planet Venus.
Each new day on earth is a sacred moment.
Mr. Harley: Your impatience is quite understandable. Klaatu: I'm impatient with stupidity. My people have learned to live without it. Mr. Harley: I'm afraid my people haven't. I'm very sorry... I wish it were otherwise.
Helen: What about the rest of the world? Tom: I don't care about the rest of the world! [Seeing her shocked expression] Tom: You'll feel different when you read about me in the papers. Helen: I feel different now.
Live as though it were your last day on earth. Some day you will be right.
The earth will always be the same - only cities and history will change, even nations will change, governments and governors will go, the things made by men's hands will go, buildings will always crumble - only the earth will remain the same, there w...