Frasier: No, in this case, I'm afraid I must agree with Rebecca.
Rebecca: Thank you, Dr. Crane.
Frasier: Well, it's- It's not for your dollar-grubbing, you know, front office, kissy face reasons, but it's because revenge is never the answer. You see, a potentially unending cycle of juvenile retaliation can only lead to a well, a kind of mob mentality, which will ultimately result in a regrettable act.
Cliff: Wait a minute, Doc. When Diane left you at the altar, aren't you the guy who enrolled her in every tape, book, and record club known to mankind?
Frasier: Yes, but that was different. The pompous witch deserved it.

Carla: Hey. What are you all sitting around here like a bunch of wimps for?
Norm: It's what wimps do.

Rebecca: Everyone just stay where you are. There are no rats. Free round of drinks on the house.
Exterminator #1: I wouldn't do that, ma'am. Those little buggers might already have gotten into your beer.
Norm: Whoa, whoa, whoa, whoa. I'll chance it.