It does seem really hard to get consumers to do the right thing. It is stupid that we use two tons of steel, glass, and plastic to haul our sorry selves to the shopping mall. It's stupid that we put water in plastic bottles in Fiji and ship it here.

Green technologies - going green - is bigger than the Internet. It could be the biggest economic opportunity of the 21st century.

There’s this large trend – I think the next trend in the Web, sort of Web 2.0 – which is to have users really express, offer, and market their own content, their own persona, their identity.

Well, there are more writers of blogs right now than there are readers, so that’s clearly a vanity phenomenon.

It’s actually not unlike Google at that stage of development. They had an up-and-running site. It wasn’t losing very much money, it wasn’t making very much money, but it was growing.

There’s never been a better time than now to start or accelerate a greentech venture.

How do you create jobs? Our companies have generated about 350,000 jobs and that’s good.

Change the way we teach; Empower teachers.

If you can’t invent the future, the next best thing is to fund it.

Your biggest challenge will be building a great team.