A collection of BBM quotes from Wiki
Jack Twist * You sit down before I knock your ignorant ass into next week!
* It's nobody's business but ours.
* You know it could be like this. Just like this, always.
Ennis del Mar * If you can't fix it, Jack Twist, then you've got to stand it.
* Bottom line is... we're around each other an'... this thing, it grabs hold of us again... at the wrong place... at the wrong time... and we're dead.
* This is a one-shot thing we got goin' on here.
Others * Alma Del Mar: You don't go up there to fish!
* Alma Del Mar: Don't tell me to calm down, Ennis. Jack Twist. Jack Nasty.
* Joe Aguirre: You boys sure found a way to make the time pass up there.
* Cassie Cartwright: You don't say much but when you do you get your point across.
DialogueJack Twist: Jack Twist.
Ennis Del Mar: Ennis.
Jack Twist: Your parents just stopped at Ennis?
Ennis Del Mar: Ennis Del Mar.
Ennis del Mar: You know I ain't queer.
Jack Twist: Me neither.
Ennis Del Mar: I tell ya there... there were these two old guys ranched up together, down home. Earl and Rich. They were pretty tough ol' birds. Anyway they... they found Earl dead in an irrigation ditch. Took a tire iron to 'im. Spurred him up, drug him 'round by his dick 'till it pulled off.
Jack Twist: You seen this?
Ennis Del Mar: I wasn't... nine years old. My daddy, he made sure me and brother seen it. Hell for all I know, he done the job.
Jack Twist: That's more words than you've spoke in the past two weeks.
Ennis Del Mar: Hell, that's the most I've spoke in a year.
Ennis del Mar: I'm gonna tell you this one time, Jack fu**in' Twist, an' I ain't foolin'. What I don't know - all them things I don't know - could get you killed if I come to know them. I ain't jokin'.
Jack Twist: Yeah well try this one, and I'll say it just once!
Ennis del Mar: Go ahead!
Jack Twist: Tell you what, we coulda had a good life together, fu**in' real good life! Had us a place of our own. But you didn't want it, Ennis! So what we got now is Brokeback Mountain! Everything's built on that, that's all we got boy, fu**in' all. So I hope you know that if you don't never know the rest! You count the damn few times we have been together in nearly twenty years and you measure the short !@#$ leash you keep me on, and then you ask me about Mexico and tell me you'll kill me for needing somethin' I don't hardly never get. You have no idea how bad it gets! I'm not you... I can't make it on a coupla high-altitude fucks once or twice a year! You are too much for me Ennis, son of a whoreson bitch... I wish I knew how to quit you.
Ennis del Mar: Well why don't you? Why don't you just let me be, huh? Because of you, Jack, that I'm like this. I'm nothing... and nowhere.
Ennis Del Mar: If you don't want no more of my kids, I'm gonna have to leave you alone.
Alma Beers Del Mar: I'd have 'em if you'd support 'em.
http://en.wikiquote.org/wiki/Brokeback_Mountain