You're wrong, man.
3 seconds sound clip from the Platoon movie soundboard.
You can hear this line at 01:22:20 in the Blu-ray version of the movie.
Quote context
[...]
- I suggest you all watch your own asses, because Barnes gonna be coming down on all of them.
- You just gonna forget about Elias and all the good times we done had right in here?
- Shit. You're trying to cure the headache by cutting off the head.
- Elias didn't ask you to fight his battles for him.
- Any way you cut it, Barnes is a fucking murderer.
- I remember when you first came in here telling me how much you admired the bastard.
- Wrong? You ain't never been right... about nothing!
[...]