You just can't go around killing people.
4 seconds sound clip from the Terminator 2: Judgment Day movie soundboard.
You can hear this line at 00:51:12 in the Blu-ray version of the movie.
Quote context
[...]
- Come on. Let's split! Come on!
- Jesus! You were gonna kill that guy!
- Of course. I'm a Terminator.
- Listen to me very carefully, OK? You're not a Terminator anymore, all right? You got that?
- You just can't go around killing people.
- Why?
- What do you mean, why? Cos you can't.
- Why?
- Because you just can't. Trust me on this.
- Look, I'm gonna go get my mom. And I order you to help me.
- Hi! You have a Sarah Connor here?
- You're running kinda late, aren't you?
[...]