I always claim that the writer has done 90 percent of the director's work.

The cutting room is where you discover the optimal length of the movie.

When 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.

Ive never been a big believer in ghosts or the spirit world, and for me, that was part of the point of the movie, ... What the Ghostbusters represented was the triumph of human courage and human ingenuity. People create their own monsters. Our fears come from within us, not outside.

I'm sure that the liability for doing a tracheotomy would be tremendous. You make one mistake, and it's over. Most doctors won't even do it.

You can perceive life as tragic, or you can laugh at the tragedy of it and that turns it into comedy. It doesn't change the circumstances.

I'm terrified beyond the capacity for rational thought.