Tell your people and your governments that we have created a race of robots whose function it is to patrol the planets in spaceships and preserve the peace.
— Klaatu (Michael Rennie)
12 seconds sound clip from the The Day the Earth Stood Still (1954) classic radio play.
You can hear this line at 00:50:46 in the radio play.
Quote context
[...]
- I am leaving soon. You will forgive me if I speak bluntly.
- The universe grows smaller every day.
- Where I come from, we believe there must be security for all... or no one is secure.
- This does not mean giving up any freedom except the freedom to act irresponsibly.
- This is the message that I ask you to take back when you return to your native lands.
- At the first sign of treachery, they will act automatically.
- Nothing you have here on Earth can stop them.
- The penalty for provoking their action is too terrible to risk.
[...]