If you look at the mythology of aliens, there's a lot about gold. It's about them coming for gold; whether that's a simplification or not. If you think of 'Chariot of the Gods,' there's this reoccurring theme of gold.

When Ron Howard does 'Rush,' he has to learn and steep himself in F1 culture and European racing culture, and that's part of the fun of the gig. You learn to learn. Your real skill as a director is being a learner and an observer. You're constantly learning another thing in context.

I'm of a generation of director that came up understanding special effects.

Once you buy into a television show, there doesn't have to be resolution from week to week. You can develop characters and storylines and react to the audience, so you get more of a serialized version of storytelling where you can go much deeper into each character. It's more like a novel.