I've been looking for you for eight months. Whenever I should've had a gun in my right hand, I thought of you.
10 seconds sound clip from the The Good, the Bad and the Ugly (1966) movie soundboard.
You can hear this line at 02:02:18 in the Blu-ray version of the movie.
Quote context
[...]
(TRAIN APPROACHING AND PASSES BY)
- Slim, take care of the horses.
- Now I find you in exactly the position that suits me.
- I had lots of time to learn how to shoot with my left.
- When you have to shoot, shoot. Don't talk.
- Every gun makes its own tune.
[...]