Young people - with their dynamism, their energy and their inherent understanding of our interconnected world - have much to teach us. Increased educational attainment, advances in technology and the spread of information have made this generation the best educated, most connected and most informed in history

You will recall that for months after 9/11, there was incredible support and sympathy for the US. I really hoped and wished they had played on that, and kept all these friends they had made, and found a way of dealing with the terrorists through co-operation of international intelligence services, police exchange of information.

These often unsung heroes understand...that poverty, disease and famine are just as deadly and destructive as earthquakes, hurricanes and tsunamis. Individuals ...are taking on these challenges in their communities, volunteering to make a difference. They remain the true champions of our work towards the Millennium Development Goals.

Most governments only want to deploy a peacekeeping force where there is a peace agreement and there is peace to keep. They are very hesitant about putting their men and women in harm's way. It is extremely difficult to get the troops if you do not have the consent of the country where you are deploying.

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

The number one goal in resolving a conflict is to make sure both sides maintain their self-esteem. You don't hit a man on the head when you've got your fingers between his teeth.

You saw the traumas that people lived through, and wondered what it will take to move us as a human community, as humanity, to help in these dangerous situations.