Well, anyway, they're mortal.
2 seconds sound clip from the Fiend Without a Face (1958) movie soundboard.
You can hear this line at 01:04:28.189 in the Blu-ray version of the movie.
Quote context
[...]
- Someone or something must have increased the power at the atomic plant.
- It's ghastly! It's horrible!
- It all ties up with what Dr. Warren explained to us, sir. Look carefully.
- Yeah, well, we'll see about that.
- Well, anyway, they're mortal.
[...]