From the Big Labowski
The Dude: God damn you Walter! You fuckin' asshole! Everything's a fuckin' travesty with you, man! And what was all that shit about Vietnam? What the FUCK, has anything got to do with Vietnam? What the fuck are you talking about?
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Walter Sobchak: I'm saying, I see what you're getting at, Dude, he kept the money. My point is, here we are, it's shabbas, the sabbath, which I'm allowed to break only if it's a matter of life or death...
The Dude: Will you come off it, Walter? You're not even fucking Jewish, man.
Walter Sobchak: What the fuck are you talkin' about?
The Dude: Man, you're fucking Polish Catholic...
Walter Sobchak: What the fuck are you talking about? I converted when I married Cynthia! Come on, Dude!
The Dude: Yeah, yeah, yeah, yeah...
Walter Sobchak: And you know this!
The Dude: Yeah, and five fucking years ago you were divorced.
Walter Sobchak: So what are you saying? When you get divorced you turn in your library card? You get a new license? You stop being Jewish?
The Dude: It's all a part of your sick Cynthia thing, man. Taking care of her fucking dog. Going to her fucking synagogue. You're living in the fucking past.
Walter Sobchak: Three thousand years of beautiful tradition, from Moses to Sandy Koufax...
YO'RE GOD DAMN RIGHT I'M LIVING IN THE PAST!!!!!!
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The Dude: Walter, I love you, but sooner or later, you're going to have to face the fact you're a goddamn moron.