Supernatural, Season 1

Sam:
If you had just let me go in there, I could have ended all this.

Dean:
Sam, the only thing you would have ended was your life.

Sam:
You don't know that.

Dean:
So, what, you're just willing to sacrifice yourself, is that it?

Sam:
Yeah. Yeah, you're damn right I am.

Dean:
Yeah, well, that's not gonna happen-not as long as I'm around.

Sam:
What the hell are you talkin' about, Dean? We've been searching for this demon our whole lives. It's the only thing we've ever cared about.

Dean:
Sam, I wanna waste it. I do, okay? But it's not worth dyin' over.

Sam:
What?

Dean:
I mean it. If huntin' this demon means you gettin' yourself killed, then I hope we never find the damn thing.

Sam:
That thing killed Jess. That thing killed Mom.

Dean:
You said yourself once….that no matter what we do, they're gone. And they're never comin' back.

Sam:
Don't you say that! Don't you-not after all this, don't you say that!

Dean:
[emotionally] Sammy, look…the three of us-that's all we have. And that's all I have. Sometimes I feel like I'm barely holdin' it together, man. Without you and Dad...