Inspiration can hit you in the head at any time in any context. It could happen in a conversation. Talking to someone at a party, you can get an idea. But you've got to remember those inspirations.
There was always this idea that I would work on Shakespeare and some of the other classics, but it never came to be.
For 'Star Wars' I had to develop a whole new idea about special effects to give it the kind of kinetic energy I was looking for. I did it with motion-control photography.