The status quo cannot work.

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.

Over time you learn to know a bit more about yourself - you develop a certain amount of self-insight and self-awareness, and you know what you can absorb, and what you cannot; what gets to you and what doesn't. And I observe a lot. I see a lot around me. And over time you also get to understand the nature of man and the environments you are dealing with, and you can't always allow emotions and temper to flare up because you're displeased with something, or you want to change it.

The interesting thing is, everybody focuses on the global warming as an environmental issue, as something outside our daily lives. But actually the impact of global warming is with us today. Communities are suffering. Communities in poor countries are the ones paying the price, they are not the ones who are polluting, and we need to help them adapt.

We shall not defeat any of the infectious diseases that plague the developing world until we have also won the battle for safe drinking water, sanitation, and basic health care.

I've been around enough to realise that there are two things that once people have them, they don't want to give up, and it's extremely difficult to convince them to give up: one is privileges, and the other is subsidies.

A hungry mind is not free, and I felt if we were really going to make a difference and fight poverty we should at least start with the ability to feed ourselves, and the millions of Africans who don't have it.