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.

Perhaps the single most successful international agreement to date has been the Montreal Protocol.

I've been around enough to realise that there are two things that once people have them, they don't want to give up, and it's extremely difficult to convince them to give up: one is privileges, and the other is subsidies.

Human beings are not property. On the International Day for the Abolition of Slavery, let us reaffirm the inherent dignity of all men, women and children. And let us redouble our efforts so that the words of the Universal Declaration of Human Rights - 'no one shall be held in slavery or servitude' - ring true.

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

The Lord had the wonderful advantage of being able to work alone.

There are lots of questions which have to be answered.