I'll keep the pen. It's my only proof that the war is over or that it was ever fought.
— Charlie Castle (Jack Palance)
10 seconds sound clip from the The Big Knife (1955) movie soundboard.
You can hear this line at 00:36:38 in the Blu-ray version of the movie.
Quote context
[...]
- I'm asking you for the last time... Please, let me go.
- I can't force you to sign, can I? Can I?
- I'll keep the pen. It's my only proof that the war is over or that it was ever fought.
- What's with you tonight, kitty? A certain party finds itself very fascinated.
- Yeah, but like I said, I'm all tied up.
[...]