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.

Have confidence in the young people, give them a chance, and they will surprise you.

We may have different religions, different languages, different colored skin, but we all belong to one human race.

Literacy is a bridge from misery to hope.

The UN doesn't work in a vacuum.

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.

My own advice to people who would be in office for two or three terms is that they must accept democratic rotation. Ideally not put themselves up for re-election and allow the system to work.