The anti-globalization movement is one of the biggest globalized events of the contemporary world, people coming from everywhere, —Australia, Indonesia, Britain, India, Poland, Germany, South Africa—to demonstrate in Seattle or Quebec. What could be more global than that?

Opportunity could be defined in so many ways. There's one way of defining it, equality of opportunity, which is in fact the equality of capability, but the libertarians got there first and they have - like the Americans getting onto the moon, naming every crater after something like an astronaut - they have got there and named "opportunity" in a way that we cannot get ownership of now.

I think the UN's role - especially since it's not an extremely rich fund, and that's to put it mildly - is mainly to act as a leading thinker of the world in terms of how to think about the future.

One has to be realistic. One’s concern for equity and justice in the world must not carry one into the alien territory of unreasoned belief. That’s very important.

Sometimes one makes a distinction between urgency and importance. And while disasters are urgent, the basically most important thing is education. And that's what gives it ultimately urgency too, because unless you do it now, this important thing gets again and again postponed.

We need to ask the moral questions: Do I have a right to be rich? And do I have a right to be content living in a world with so much poverty and inequality? These questions motivate us to view the issue of inequality as central to human living.

The Arab world is also the world that produced some of the greatest improvements in mathematics and in science. Even today, when a Princeton mathematician does an algorithm, he may not remember that "algorithm" derived from the name al-Khwarizmi, who is a ninth-century Arab mathematician.