I often quote an African proverb that says: "The world is not ours, the earth is not ours, It's a treasure we hold in trust for future generations." And I often hope we will be worthy of that trust.

Literacy is a bridge from misery to hope. It is a tool for daily life in modern society. It is a bulwark against poverty, and a building block of development, an essential complement to investments in roads, dams, clinics and factories.

I am often asked what can people do to become a good global citizen? I reply that it begins in your own community.

...let us continue to work together to develop and nurture in future generations a culture of human rights, to promote freedom, security and peace in all nations.

One has to have the strength of character to say the time has come to move on... unless you are a king.

In some ways, the challenges are even more daunting than they were at the peak of the cold war. Not only do we continue to face grave nuclear threats, but those threats are being compounded by new weapons developments, new violence within States and new challenges to the rule of law.

If we can come up with innovations and train young people to take on new jobs, and if we can switch to clean energy, I think we have the capacity to build this world not dependent on fossil-fuel. I think it will happen, and it won't destroy economy.