Automatically?
3 seconds sound clip from the Dr. Strangelove movie soundboard.
You can hear this line at 00:50:17 in the Blu-ray version of the movie.
Quote context
[...]
- Is the premier threatening to explode this if our planes carry out their attack?
- No, sir. It is not a thing a sane man would do.
- The Doomsday Machine is designed to trigger itself automatically.
- But surely you can disarm it somehow?
- No. It is designed to explode if any attempt is ever made to untrigger it.
- It's an obvious commie trick, Mr. President. We're wasting valuable time.
- Look at the big board. They're getting ready to clobber us.
- But this is absolute madness, Ambassador.
- Why should you build such a thing?
[...]