Bobby: Which way we goin', this way or that way? Lewis: I think downstream would be a good idea.
DeliveranceGeneral Allenby: I'm promoting you Major. T.E. Lawrence: I don't think that's a very good idea.
Lawrence of Arabia[last lines] Vincent: I think we should be leaving now. Jules: Yeah, that's probably a good idea.
Pulp FictionMr. Gibbs: The kid's a bit of a stick, isn't he? Jack Sparrow: You have no idea.
Pirates of the Caribbean: The Curse of the Black PearlCharlotte Lucas: What on earth have you done to poor Mr. Darcy? Elizabeth Bennet: I have no idea.
Pride & Prejudice