“As we move towards 8 or 10 billion people on the planet, there's a little less gold per capita. Each one of us will continue to be fighting over an ever smaller percentage of total resources. This is not a happy thought.”

“Well, a lot of people don't know this about me, but I'm actually shy around people I don't know. I would just say with my first concert, my first tour, I didn't really talk onstage. I was like, 'Thank you, I love you guys,' or whatever. But now I've just kind of learned to work a crowd.”