“As a child growing up during the Korean War, I knew poverty. I studied by candlelight.”

“My U.N. five-point plan focuses on preventing proliferation, strengthening the legal regime, and ensuring nuclear safety and security - an effort that was given good momentum by the Nuclear Security Summit held in Seoul earlier this year. The world is over-armed, and peace is underfunded.”

“We have a legal and moral obligation to rid our world of nuclear tests and nuclear weapons.”

“We have a legal and moral obligation to rid our world of nuclear tests and nuclear weapons. When we put an end to nuclear tests, we get closer to eliminating all nuclear weapons. A world free of nuclear weapons will be safer and more prosperous.”

“One of the main lessons I have learned the last five years as Secretary-General is that the United Nations cannot function properly without the support of the business community and civil society. We need to have tripartite support - the governments, the business communities and the civil society.”

“Women hold up more than half the sky and represent much of the world's unrealized potential. They are the educators. They raise the children. They hold families together and increasingly drive economies. They are natural leaders. We need their full engagement... in government, business and civil society.”

“We are using resources as if we had two planets, not one. There can be no 'plan B' because there is no 'planet B.'”

“Grave security concerns can arise as a result of demographic trends, chronic poverty, economic inequality, environmental degradation, pandemic diseases, organized crime, repressive governance and other developments no state can control alone. Arms can't address such concerns.”

“Sustainable development is the pathway to the future we want for all. It offers a framework to generate economic growth, achieve social justice, exercise environmental stewardship and strengthen governance.”

“Personally, I do not know whether humankind is alone in this vast universe. But I do know that we should cherish our existence on this precious speck of matter... the greatest gift that could be bestowed upon us. For all practical purposes, there is only one planet Earth.”

“I grew up in war and saw the United Nations help my country to recover and rebuild. That experience was a big part of what led me to pursue a career in public service. As Secretary-General, I am determined to see this organization deliver tangible, meaningful results that advance peace, development and human rights.”