Dawson: It's kind of amazing, how bad you are at sussing out lesbians.
Shay: I know, right?

How is she finding out all this stuff?

Hermann

Dawson got her ass squeezed by a drunken Englishman.

Leslie

Megan: Which one killed Lesley?
Severide: That one.
Megan: You better find that son of a bitch and make him pay.

No matter what happens, no one from Firehouse 51 may go into that house. This is not a democracy, do you understand?

Boden

I should have said something, but it was so last minute.

Casey

Delaney: What do we got here?
Casey: Single-car accident. Two adults stuck inside. Engine flashed but it’s out.
Delaney: Great, thanks. I’ll take it from here.
Casey: You what?
Delaney: I appreciate the assist captain, but this is 20’s jurisdiction and has been for decades, so if you don’t mind, I’ll see it through.
Casey: Well, I do mind, actually.

Check out the floorboard. He was gonna Mad Max this thing.

Jimmy

Severide: What's your name.
Adrian: You already know that.

Mills: Brett, where are you?
Brett: I'm here.

Michael Jackson couldn't handle those.

Shay

Benny: It's about House 51.
Gail: Yes, we are working out a few problems over there.
Benny: So I understand.
Gail: Your son's at 51.
Benny: Yes, I'm very proud of him. Which is part of the reason I'm here. I know the guys in that house. They're good firefighters and the community depends on that. My question to you is: is it a problem house or is there a problem chief?

Chicago Fire Quotes

Kidd: I just got to keep busy. Working the bar’s good for that. Um, you know I’m gonna need some major distraction when I get home, right?
Severide: I think I can provide.
Kidd: You are so selfless.

Casey: Well, you gotta admit, he's happy.
Dawson: She's a graphic artist he met at the craps table. Her name is Brittany and she's from Florida? You know what that adds up to? Stripper!
Casey: What do you have against Florida?