Before I know better

El Segundo:

[after capturing Valdez]
Like tobacco? Bob Valdez:
[quietly]
No. El Segundo:
[after pausing and nervously clearing his throat]
Tell me something... Who are you? Bob Valdez:
I told you once before - Bob Valdez. El Segundo:
[referring to Valdez's earlier marksmanship against his men]
You know something, Bob Valdez, you hit one, I think, 700-800 yards. Bob Valdez:
[with certitude]
Closer to a thousand. El Segundo:
What was it? Sharps? Bob Valdez:
[nods]
My own load. El Segundo:
You ever hunt buffalo? Bob Valdez:
Apache. El Segundo:
I knew it. When? Bob Valdez:
Before I know better