The trick with sequels is, you have to give people what they liked before, yet be innovative enough so they don't feel like they're seeing the same movie.
Harold RamisWhen I've written for Bill Murray - I've written six films for him - people would read it and say, "Oh, that's so perfectly Bill." He'd read it and say, "Are you kidding? I can't say these words." So it's all about perception.
Harold RamisWe tell our kids that policemen are good and God protects us and our country is noble, and at a certain point - and for some it comes quite early, five or six years old - we start to realize that it's all a facade.
Harold Ramis