Are you kidding? This thing bled acid. Who knows what it's gonna do when it's dead.
6 seconds sound clip from the Alien (1979) movie soundboard.
You can hear this line at 00:49:36 in the Blu-ray version of the movie.
Quote context
[...]
- Well, we've gotta have a look at this.
- Seems dead enough. Well, good. Let's get rid of it.
- Are you kidding? This thing bled acid. Who knows what it's gonna do when it's dead.
- Think it's safe to assume it isn't a zombie.
- Well, I'd soon... as not burn it at the stake, but you're the science officer. It's your decision.
- How come I've got to change my mind? The decision's been made.
- I'm not trying to change your mind. I just want you to listen... Will you listen to...
[...]