These divisions in the international community - the Syrians bear quite a lot of the blame, but we have enabled it by the divisions between us.

In countries where democracy is either non-existent or in development, on the other hand, citizens crave those freedoms. Maybe that is one lesson Western citizens can learn from those countries: treasure what you have. Use your rights and freedoms to effect the change you want.

I think that these flows of refugee are the inevitable counterparts to the flow of capital and goods. In other words, they too are by-products of globalisation.

It is true that the principle of national citizenship, associated with rights, and the control of a country's borders are two key aspects of modern 'sovereign' nation states as they emerged in the Westphalian order. But there has been much progress since 1648.

Young people should be at the forefront of global change and innovation. Empowered, they can be key agents for development and peace. If, however, they are left on society's margins, all of us will be impoverished. Let us ensure that all young people have every opportunity to participate fully in the lives of their societies.

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.

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