Slevin: I have ataraxia.
Slevin: It's a condition characterized by freedom from worry or any other pre-occupation really.
Slevin: How do you justify being a rabbi... and a gangster?
The Rabbi: I don't. I'm a bad man who doesn't waste time wondering what could've been when I am what could've been and what could not have been. I live on both sides of the fence. My grass is always green. Consider, Mr. Fisher... there are two men sitting here before you, and one of them you should be very afraid of. Where's my money?
Lindsey: I was just thinking that if you're still alive when I get back from work tonight... maybe, I don't know, we could go out to dinner or something?
Slevin: Ok, I'm under the impression that you're under the impression that I owe you 96,000 dollars.
The Boss: No, you owe Slim Hopkins 96,000 dollars. You owe Slim, Slim owes me... You owe me.
The Boss: I hired you to do a job. It wasn't supposed to look like a job. So you take out the Israelis, bomb the damn building and now the job that was not supposed to look like a job is beginning to look very much... like a job.
The Rabbi: If there's one thing I know, is when someone is lying. A man in my position, that's all he has to go on. To know a lie when he hears it. It's the difference between life and death. Your own. Someone else's. That being said, he wasn't lying.
Slevin: How did you find out about us?
Mr. Goodkat: I'm a world-class assassin, fuckhead. How do you think I found out?
The Rabbi: You're unlucky and nothing more than a frame of reference for the lucky Mr. Fisher. You're unlucky, so that I may know that I am not. Unfortunately, the lucky never realised they are lucky until its too late. Take yourself for instance, yesterday you were better off than you are today but it took today for you to realise it. But, today has arrived and it's too late. You see?
Slevin: You're not as tall as I thought you'd be.
Lindsey: Well, I'm short for my height.
Slevin: That makes sense because I can usually tell how tall someone is by their knock. You have a deceptively tall knock. Congratulations.
Lindsey: So it's a good thing?
Slevin: I open the door expecting you to be up here, you're down here. That combined with a low centre of gravity - forget about it.