The governments of south Sudan must make sure that everybody will get a nationality - that nobody will become stateless because of this separation.
When I was growing up reading history books as a young student, it seemed all wars had a winner. Yet in today's wars, it is increasingly clear that no one wins. Everyone loses.
Preventing conflict means going back to basics - strengthening institutions and building resilient societies.
You see in Islam, you see in Christianity, you see in Africa, in different religions, in Buddhism and Hinduism, there is a strong commitment to refugee protection.
I'll put everything I have in my capacity at the service of the noble cause and noble values of the U.N. and the U.N. Charter.
Human rights are being violated in so many places. But we don't give up because we know respect for human rights and human dignity is a basic condition for peace.
Since the shock of former United Nations Secretary-General Kofi Annan's death, I have been reflecting on what made him so special. To my mind, it is simply this: Kofi Annan was both one of a kind and one of us.
Migrants make huge contributions to both their host countries and countries of origin. They take jobs that local workforces cannot fill, boosting economic activity. Many are innovators and entrepreneurs.
Migration powers economic growth, reduces inequalities, and connects diverse societies. Yet it is also a source of political tensions and human tragedies.
The twenty-first century will be characterized by the mass movement of people being pushed and pulled within and beyond their borders by conflict, calamity, or opportunity.
Authorities that erect major obstacles to migration - or place severe restrictions on migrants' work opportunities - inflict needless economic self-harm, as they impose barriers to having their labor needs met in an orderly, legal fashion. Worse still, they unintentionally encourage illegal migration.
Looking at U.N. staff and budgetary rules and regulations, one might think some of them were designed to prevent, rather than enable, the effective delivery of our mandates. It benefits no one if it takes nine months to deploy a staff member to the field.
Terrorists remain determined to find a weakness in our defence... To stay ahead of the terrorists, I call on the international community, the private sector, and academia to share knowledge, expertise, and resources to prevent new technologies becoming lethal terrorist weapons.
Torture remains unacceptable and unjustified at all times, including during states of emergency, political instability, or even in a war.
Nagasaki is not just an international city with a long and fascinating history. It is a global inspiration for all those who seek to create a safer and more secure world.
The people of the D.P.R.K. need our generosity and help.