Apropos of nothing, I normally detest list making of the sort embodied by the American Film Institute's Top 100 Movie Quotes. Such lists have the dubious distinction of generating more heat than light, IMHO.
For whatever reason, this one caught my fancy, and it's hard to argue with most of the selections (another reason I don't like such lists). Moonstruck's "Snap out of it!" seems highly dubious to me though, along with LOTR's "My Precious". Sorry, the books did the heavy lifting on that one. Animal House got short shrift. I'd bump "Toga..." for "Fat, drunk, and stupid...", and "Was it over when the Germans bombed Pearl Harbor...". And from Apocalypse Now how can you leave out "Terminate... with extreme prejudice."?!