I get excited about people doing stuff, and to whom I want to give. And I believe in giving back to people who have helped me and my family in the past. The key is getting excited.

At the age of 61, my hip went. I was skiing in Chile with my son, and there was a turn, and I kept falling. I thought, 'What an idiot; what's going on here?'

Charity is important; so is being fair and honest and honorable in your business - but you cannot mix the two.

My giving is discretionary, but keeping the business going is not.

Our company, it's, uh, really un-sexy. And I think most people get into Hollywood to be showy. We first of all make horror movies, which people turn their noses up at. Second of all, we make cheap movies, and Hollywood's a lot about ego and money and, 'My movie cost $200m!,' you know?

Money talks. I want the biggest fight. Whoever I've got to fight - the biggest show, biggest payday - that's what I want.

While neurological studies have tried to identify components responsible for fear and greed, the impact on finance is less clear.

The emerging economies, many of them are concerned. They didn't want the money to slosh in. They are afraid when the money sloshes out, but the tapering has to take place, and we have to be able to manage it.