Because you believed in things, and what you believed in, you fought for.
6 seconds sound clip from the The Big Knife (1955) movie soundboard.
You can hear this line at 00:16:01 in the Blu-ray version of the movie.
Quote context
[...]
- Look at yourself. You're half-dead right now. I haven't seen you sparkle in years.
- You put on a show for other people, but I'm your wife, I know it.
- Charlie, my Charlie... What's happened to your mind, your spirit, your soul?
- Charlie Cass, the guy I married. He was a tiger. He liked to argue.
- Because you believed in things, and what you believed in, you fought for.
[...]