We are not even close to finishing the basic dream of what the PC can be.

If Africa seeks prosperity, it must provide for the health and nutrition of all – including the poorest.

I don't generally read a lot of fiction.

In inner-city, low-income communities of color, there's such a high correlation in terms of educational quality and success.

If you were born poor, it's not your fault. But if you die poor it is.

I am super lucky. I've been in the area where things have been changing and been part of the digital revolution, the magic of software, the internet, the computer, and now the cellphone... so it's been a great privilege.

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.