If there are, they have us separated, each man in a different house. Sleeping, trusting, no one at the guns.
12 seconds sound clip from the X Minus 1 - Mars is Heaven by Ray Bradbury classic radio dramaseries.
You can hear this line at 00:23:26 in the radio play.
Quote context
[...]
- Why? A whole crew was thinking of home.
- Suppose the Martians read our minds.
- Yes, but if there are Martians...?
- I left my pistol downstairs.
- Do you think there's something to this?
- It's a perfect trap, Captain.
- Who would suspect his own mother? His grandparents?
[...]