One Armed Man: I've been looking for you for 8 months. Whenever I should have had a gun in my right hand, I thought of you. Now I find you in exactly the position that suits me. I had lots of time to learn to shoot with my left.
[Tuco kills him with a hidden gun]
Tuco: When you have to shoot, shoot, don't talk.
[Tuco kills him with a hidden gun]
Tuco: When you have to shoot, shoot, don't talk.
One Armed Man : I've been looking for you for 8 months. Whenever I should have had a gun in my right hand, I thought of you. Now I find you in exactly the position that suits me. I had lots of time to learn to shoot with my left.
[Tuco kills him with a hidden gun]
Tuco : When you have to shoot, shoot, don't talk.
http://www.moviequotedb.com/movies/good-the-bad-and-the-ugly-the/quote_10055.html