When we talk about the UN, what are we really talking about? We are talking about my country, your country, other countries and their collective will to stand together and apply pressure or offer incentives to steer things in the right direction. When the nations of the world come together, with collective will, on an issue and they speak with a united voice, they have a much greater impact. When there is division, then the impact is much, much less.

The number one goal in resolving a conflict is to make sure both sides maintain their self-esteem. You don't hit a man on the head when you've got your fingers between his teeth.

His Holiness brings a wealth of experience to this exalted office. The United Nations and the Holy See share a strong commitment to peace, social justice, human dignity, religious freedom and mutual respect among the world's religions.

I am not afraid to dream. You first have to start with a dream. Build your castles in the air and give it foundation. Without a dream, you are not going to get anywhere.

Nelson Mandela stands as an inspiration to us all

The global work of the United Nations is not without reason compared to that of a family - striving for a common goal in concert with all members for a better future.

We're all human. After 10, 15 years you get tired, you run out of steam and ideas, you have to give a chance to somebody else. And whether you yourself are inclined to stay on, all those around you are pushing you to stay on for what they will gain.