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

We at the U.N. have to take some of the blame, because we have not lowered expectations creating the impression we are here to save people, even when we have very limited resources.

In an age of interdependence, global citizenship - based on trust and sense of shared responsibility - is a crucial pillar of progress. At a time when more than one billion people are denied the very minimum requirements of human dignity, business cannot afford to be seen as the problem. Rather, it must work with governments and all other actors in society to mobilize global science, technology and knowledge to tackle the interlocking crises of hunger, disease, environmental degradation and conflict that are holding back the developing world.

If we get agriculture right in Africa, where most of the people now are working in that sector, not only would it help boost development but we will be secure in terms of food and nutrition and then be able to move on to other areas.

I was an ordinary boy at school, a young man. In fact, what did the headmaster once say? "You're constantly challenging those in authority; questioning and challenging those in authority." Which was not really the way I saw it. I felt there were questions that had to be answered, and things that weren't quite right.

I laugh a lot inside and outside, and at myself sometimes.

Insecurity is love dressed in a child's clothing.