You wouldn't gun down a police officer.
3 seconds sound clip from the The Shootist movie soundboard.
You can hear this line at 00:49:08.537 in the DVD version of the movie.
Quote context
[...]
- You're the longest-winded bastard I ever listened to.
- I may be windy, but I ain't ornery.
- When my time comes to die, I won't drag it out. I'll just do it. Why the hell don't you?
- Neither did Shoup or Norton.
- You wouldn't gun down a police officer.
- What'd stop me, fear of dying?
- John Bernard Books lies amolderin' in his grave, but his horse keeps gallopin' on.
- Would you care to do business with a voice from the grave?
- It's pure pleasure to groom your horse! And even a greater pleasure to do business with you!
[...]