Although I have lived in London, I have never really considered London my home because it was always going to be a stopping-off point for me, and it has been too.

You have a bigger view, of something bigger than you, and you have to view that and take that in mind. At times you feel like despair rises up over hope, then other times you feel hopeful again.

We would like to see the virtual elimination of the transmission of [HIV] from mother to child by 2015. ... We believe it can be achieved with political will.

If you come face to face with some really challenging situations and tragic circumstances - you are going in there with a purpose. You are not going in there as a tourist. You're not going there just to merely observe. You have a purpose, and your purpose is to tell that story, to share that story for the bigger benefit of millions of other people. Your purpose is to create that bridge so you can give that story the dignity and the focus that it deserves, and you can become a part of the amplification that needs to be there.

I played with the image, because I think image is temporary. It's a projection. It's illusory.

I understand what it is for a woman to want to protect their children and give them the best they can.

You have to face things, have faith in what you do and go for it. Think, 'What's the worst that could happen?'