- Dr. Egon Spengler: I'm sure there are several perfectly rational ways outta this. Unfortunately, they all involve a quick and ugly demise.
- Dr. Egon Spengler: Well you guys can hunt four-leaf clovers if you want to, there's only one real way to stop a ghost: science.
- Dr. Peter Venkman: How was I supposed to know it was the Mayor's wife? All I saw was a quivering green blob.
- Lt. Frump: I'll tell her you said that.
- Ray Stantz: [facing the giang Bog Hound without their proton packs] Anybody have a rolled-up newspaper?
- Ray Stantz: [Slimer has just eaten the four-leaf clover Peter has searched high and low for to fight the Bog Hound] Well, now I know what happened to my rabbit's foot...
- Dr. Egon Spengler: We've wasted enough time on superstition.
- Dr. Peter Venkman: [aghast, about Slimer] He ate it!
- Dr. Egon Spengler: A ghost is a ghots.
- Winston Zeddemore: You can't argue with that.