Ban Ki-moon

"Some might complain that nuclear disarmament is little more than a dream. But that ignores the very tangible benefits disarmament would bring for all humankind. Its success would strengthen international peace and security. It would free up vast and much-needed resources for social and economic development. It would advance the rule of law."

"Like the United Nations, there is something inspirational about New York as a great melting pot of different cultures and traditions. And if this is the city that never sleeps, the United Nations works tirelessly, around the clock around the world."

"To measure the success of our societies, we should examine how well those with different abilities, including persons with autism, are integrated as full and valued members."

"When Nelson Mandela walked free, the world sang with joy. Ever since, South Africa has stood as a beacon of hope for Africa."

"As I prepare for my second term as Secretary-General, I am thinking hard about how we can meet the expectations of the millions of people who see the U.N.'s blue flag as a banner of hope. We have to continue our life-saving work in peacekeeping, human rights, development and humanitarian relief."