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.

Often, we take stability - peace in terms of security and economic activity - to mean a country is doing well. We forget the third and important pillar of rule of law and respect for human rights, because no country can long remain prosperous without that third pillar.

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.

Many African leaders refuse to send their troops on peace keeping missions abroad because they probably need their armies to intimidate their own populations.

My intimate knowledge of the [UN] system allowed me to get things done despite the many obstacles.

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

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