You'll attract the employees you need if you can explain why your mission is compelling: not why it's important in general, but why you're doing something important that no one else is going to get done.

I do think Tim Cook is doing a very good job, I think he has almost impossibly big shoes to fill with Steve Jobs' departure. And so, that's the context always someone has to put things in. But, I do think that for the most part that Apple is at a point where it's much more focused on scale than on doing new things.

Big part of the challenge to innovation is that people too easily resign themselves to dying.

I'm always very excited about trying to do something on next-generation biotechnology and life sciences because I think if we can cure cancer or dementia, we can really make the future a lot better and I think these things are eminently doable.

There are many more secrets in the world that are waiting to be found. The question of how many secrets exist in our world is roughly equivalent to how many startups people should start.

Forget startup companies. The next frontier is startup countries.

I do tend to think that things that have incredibly long time horizons often do involve market failures.