The biggest opportunity in 2013 is in Africa. It has seven out of the ten fastest-growing economies in the world. In Nigeria alone there are 100 million people with mobile phones. In total, 300 million Africans - five times the population of Britain - are in the middle class.

One thing that I feel very, very strongly is that we talk about Islamic countries, Islamic people, Islamic leaders, as either moderates or extremists. It's almost like there are only two categories of Muslims. And actually, that doesn't show respect. It shows lack of understanding of the diversity of Muslim thought.

The two biggest threats to international security in 2013 are Iran getting a nuclear weapon, and Iran being bombed to stop it getting a nuclear weapon. Both would precipitate a long and dangerous conflict in an already unstable Middle East. Both would be a disaster.

History is information. Memory is part of your identity.

Our ability to participate in government, to elect our leaders and to improve our lives is contingent upon our ability to access the ballot. We know in our heart of hearts that voting is a sacred right - the fount from which all other rights flow.

The key to successful leadership today is influence, not authority.

The world is a challenging place in terms of wars and peace, basic human rights and freedoms. The Holy Father has a major role to play in global affairs. The pope is more than a spiritual leader. For the world's 1.2 billion Catholics, he is an inspiration of holiness and goodness and, above all, the faithful proclamation of the Gospel.

I've worked on shows where the lead actor doesn't know their lines, doesn't care, and it affects everybody - the crew, the director, the other actors. It's definitely a responsibility.