We had a rule in the school that when you're punished, you carry out the punishment and then complain, which I felt was absolutely unfair: if I'd done it, what was the point of complaining?

On this International Day of Peace, let us dare to imagine a world free of conflict and violence

It is tragic that so few young people in Western democracies vote. They have forgotten that their ancestors fought for the right to choose and change their leaders. They don't realise that their votes are more important than their tweets or Facebook posts.

Microfinance recognizes that poor people are remarkable reservoirs of energy and knowledge, posing an untapped opportunity to create markets, bring people in from the margins and give them the tools with which to help themselves.

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.

I spent my youth and my most formative years in Africa. I left Africa when I was about 20, 21, and when Mo says a great African, I was really moulded by my African experience, although I had the good fortune that by the time I was 24 I had studied and worked on three continents - Africa, the US, and Europe.

Violence against women is perhaps the most shameful human rights violation, and it is perhaps the most pervasive. It knows no boundaries of geography, culture or wealth. As long as it continues, we cannot claim to be making real progress towards equality, development and peace