In "The McCreedy Bust", after Heyes and Curry pump Blake for information about the bust in the wine bar, Heyes (talking about Curry's shooting) says "Oh he ain't that good. He was aimin' for your belly."
In the next scene, Curry has the first line: "You sure this ain't gonna mess up our amnesty?"
Heyes: "Well, the safe's in Mexico, ain't it?"
There are more in this episode.
"Wrong Train to Brimstone" -- when Heyes and Curry are in the baggage car, talking about what to do, Curry says "There ain't one in that bunch ever killed anyone in their lives."
In the scene with Harry Briscoe in the baggage car, both Heyes and Curry say "That ain't Kid Curry."
"If it's worth doing, it's worth doing badly."
"The failure in doing something is stopping too soon."