You should focus on being more interested than interesting.

It's about all of us, and the kind of world that we, together, want to live in and share.

I've heard it said that the most dangerous animal on the planet is the adolescent male.

I think I still have a great sense of adventure and trust, and am surprisingly idealistic given all the horrible things I've seen since I was 25. I think how I have changed is that I have a much deeper understanding of the dark forces in the world, of power.

For too much of history, we've viewed the world's precious resources - both environmental and human - as things to extract, to make the most of in order to maximize their potential.

When systems are broken, it's an opportunity for invention and innovation.

All people deserve access to health at prices they can afford.