I used to tell the story about as a young man in high school one of the professors came in and put a broad white sheet on the board with a dot in the right hand corner and said, "Boys, what do you see?" And we all shouted, a black dot. He stood back and said, "not a single one of you saw the broad white sheet, you all saw the black dot." He went on to tell us to focus on the broader picture, don't focus on the negative.

Good, healthy democratic societies are built on three pillars: there's peace and stability, economic development, and respect for rule of law and human rights. And where all three are present, you stand a very good chance of making a go of it.

More countries have understood that women's equality is a prerequisite for development.

One of my biggest regrets was the fact that as an institution and an international community we could not stop the war in Iraq. That really was very difficult and very painful. Every fibre in my body felt it was wrong. I spoke to leaders, we spoke to people, we tried... we couldn't stop it... and we see the results.

The war on drugs has failed in West Africa and around the world

Landmines are among the most barbaric weapons of war, because they continue to kill and maim innocent people long after the war itself has ended. Also, fear of them keeps people off the land, and thus prevents them from growing food.

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.