Without a dream you'll not get anywhere.

It's not that easy to quit. When you look back in the American system it is very rare that people quit on issues of principle.

In some ways, the challenges are even more daunting than they were at the peak of the cold war. Not only do we continue to face grave nuclear threats, but those threats are being compounded by new weapons developments, new violence within States and new challenges to the rule of law.

It is true that the principle of national citizenship, associated with rights, and the control of a country's borders are two key aspects of modern 'sovereign' nation states as they emerged in the Westphalian order. But there has been much progress since 1648.

To educate girls is to reduce poverty.

When things are really desperate and hopeless and you can't do anything about this, and there's a sense that something must be done, that is something usually leads to the U.N.

Knowledge is power. Information is liberating.