The Walking Dead, Season 2

Shane Walsh:
These things ain't sick! They're not people! THEY'RE DEAD!! All they do, THEY KILL!! These things right here! they're the things that killed Amy! They killed Otis!! They're gonna kill all of us.

Rick Grimes:
Shane, STOP!!

Shane Walsh:
Hey, Hershel. Man, let me ask you something. could a living, breathing person, could they walk away from this?

[Shoots a walker 3 times]

Rick Grimes:
STOP IT!!

Shane Walsh:
That's 3 rounds in the chest. Someone who's a alive, could they just take that?!! Why is it still coming?!!

[Shoots a walker twice]

Shane Walsh:
That's its heart, its lungs!! Why is it still coming?!!

[Shoots a walker 3 times]

Rick Grimes:
Shane, enough!!

Shane Walsh:
Yeah, you're right, man. That is enough.

[Walks toward the walker and shoots it in the head]

Shane Walsh:
Enough risking our lives for a little girl who's GONE!!! Enough living next to a barn full of things that are trying to kill us!! Enough! Rick, it ain't like it was before!! Now, if y'all wanna live, if y'all wanna survive, you gotta fight for it!! I'm talking about fighting, right here!! Right now!!