...let us recognize that extreme poverty anywhere is a threat to human security everywhere. Let us recall that poverty is a denial of human rights. For the first time in history, in this age of unprecedented wealth and technical prowess, we have the power to save humanity from this shameful scourge. Let us summon the will to do it.

Nelson Mandela stands as an inspiration to us all

Open markets offer the only realistic hope of pulling billions of people in developing countries out of abject poverty, while sustaining prosperity in the industrialized world.

It is within the family that children learn the values that will guide them for the rest of their lives. It is within the family that they form their earliest relationships, learn to communicate with others and interact with the world around them. It is within the family that the notion of human rights becomes a reality lived on a daily basis. If tolerance, respect and equity permeate family life, they will translate into values that shape societies, nations and the world.

I urge you to celebrate the extraordinary courage and contributions of refugees past and present.

As we move forward, you cannot resolve the potential food crisis or shortages without science being part of the solution. Science has to be part of the solution but African governments - and these are decisions for governments, whether they embrace or do not embrace genetically modified food - and for the moment, most African companies do not accept genetically modified seeds.

Poverty devastates families, communities and nations. It causes instability and political unrest and fuels conflict.