You are never too young to lead and you should never doubt your capacity to triumph where others have not.

The fight against HIV/AIDS requires leadership from all parts of government - and it needs to go right to the top. AIDS is far more than a health crisis. It is a threat to development itself.

The U.N. power comes from concerted action of the governments.

Normally when people resign they will organise their champagne farewell parties... and then they resurface somewhere.

Revolution by its nature can not be overly programmed or directed. There are so many forces at work that you don't know where and how it all ends.

We need to ensure the poorest in the planet - who will be hardest hit by the financial crisis - are not forgotten.

We had a rule in the school that when you're punished, you carry out the punishment and then complain, which I felt was absolutely unfair: if I'd done it, what was the point of complaining?