Most people overestimate what they can do in one year and underestimate what they can do in ten years.

Students deserve great teachers. And teachers deserve the support they need to become great.

It is my belief that industry and government around the world should work even more closely to protect the privacy and security of Internet users, and promote the exchange of ideas, while respecting legitimate government considerations.

Stolen's a strong word. It's copyrighted content that the owner wasn't paid for.

We are seeing smarter philanthropy, more philanthropy, and that's true world wide. So it's kind of a movement that has a lot of accomplishments, even though as a percentage of the economy, it's still only a few per cent.

At some point, that risk-taking private capital can take over, and have patents and trade secrets and things that let them lead the way, which happened with the steam engine and some other things, although with energy, the time of adoption is a lot longer than it is with, say, IT products or even medical advances, like drugs and vaccines.

So on the demand side [for energy], there have been a variety of policies that globally have been way over $50 billion a year of tax credits, raising the price of electricity through things like renewable portfolio standards, so the total amount of money that's gone into sending a price signal to push up demand versus what would happen without it has been gigantic.