During the two centuries since the publication of 'The Wealth of Nations,' the main activity of economists, it seems to me, has been to fill the gaps in Adam Smith's system, to correct his errors and to make his analysis vastly more exact.

The pollution problem is always seen as someone who was doing something bad that has to be stopped. To me, pollution is doing something bad and good. People don't pollute because they like polluting. They do it because it's a cheaper way of producing something else.

In my long life, I have known some great economists, but I have never counted myself among their number nor walked in their company.

People have used my views for purposes which are very different from mine.

The one thing I've discovered about social media is that people love answering questions. In fact, it sometimes feels like at any given moment, millions of people are online who have been waiting for exactly the question you fire off.

Digital effects have progressed ten thousand years' worth since we shot 'ED 2,' but practicals are still just the same: Blood pumps, rubber latex, glue, the works.

If it wasn't for the Internet, I might never have left WWE. Then again, if it wasn't for the Internet, I probably wouldn't have been brought back.

Advertisers are not thinking radically enough - they look for technology to lead instead of trying the neuroscience approach and thinking about what parts of the brain haven't been activated before. These new experiences bring new capabilities to the brain.