When combined with information and communication technologies, microcredit can unleash new opportunities for the world's poorest entrepreneurs and thereby revitalize the village economies they serve.

Obviously Iran is a very large problem. It's hard to decide what the number one issue [is], but that is a very threatening problem.

I wasn't a normal professor. I had worked in government. I hadn't written nine zillion books. I was a hands-on professor.

I consider it my patriotic duty as an ordinary citizen - not as Secretary of State - to ask questions. I think we have to ask ourselves the tough questions.

I get up every morning and I'm grateful for everything that has happened. I go through my list about being grateful for my children and grandchildren, and for the really remarkable life that I have been able to have.

If intelligence were a television set, it would be an early black-and-white model with poor reception, so that much of the picture was gray and the figures on the screen were snowy and indistinct. You could fiddle with the knobs all you wanted, but unless you were careful, what you would see often depended more on what you expected or hoped to see than on what was really there.

To be safe at the expense of the liberty of other people is a difficult equation.