I feel a big obligation to the audience, almost in a moral sense, to say something useful. If I'm going to spend a year of my life on these things, I want something that I feel that strongly about.

Find the most talented person in the room and if it's not you, go stand next to him. Hang out with him. try to be helpful.

The comic edge of Ghostbusters will always be the same. It's still treating the supernatural with a totally mundane sensibility. In the world of ghostbusting, there are certain givens. You're always going to have some new invented technology, some pseudo-science that sounds right because we drop enough familiar terms from physics and engineering, and pseudo-methodology, something that people will think they may have read something about before.

I made a handshake agreement with my best friend in college, Michael Shamberg, who is now a movie producer. We used to write shows together, and we said, "Let's only do what's fun. Let's never take a job where we have to dress up in a suit."

It doesn't take any longer to improvise 10 takes than it takes to shoot 10 takes of the same thing. It turns out to be just as responsible from a business point of view as anything else.

We are all several different people. There are different aspects of our nature that are competing.

I believe things happen that can't be explained, but so many people seem intent on explaining them. Everyone has an answer for them. Either aliens or things from the spirit world.