More than ever before in history, individuals can now band together to solve grand challenges. We face enormous problems, but we 'as individuals' have enormous power to solve them.

I have the general philosophy of creating the future you want to see.

I was seeing a lot of entrepreneurs who were effectively working on the next photo-sharing app. I wanted to inspire them to go much bigger, bolder and more significant than that.

If the government regulates against use of drones or stem cells or artificial intelligence, all that means is that the work and the research leave the borders of that country and go someplace else.

The world's biggest problems are the world's biggest market opportunities. And that's a huge thing. Solve hunger, literacy and energy problems, get the gratitude of the world and become a billionaire in the process.

You need to be a little crazy to change the world, and you can’t really fake it.