Nuclear terrorism is one of the most serious threats of our time. Even one such attack could inflict mass casualties and create immense suffering and unwanted change in the world forever. This prospect should compel all of us to act to prevent such a catastrophe.

Terrorism is a significant threat to peace and security, prosperity and people.

Let us acknowledge and celebrate what youth can do to build a safer, more just world. Let us strengthen our efforts to include young people in policies, programmes and decision-making processes that benefit their futures and ours.

One of the main lessons I have learned during my five years as Secretary-General is that broad partnerships are the key to solving broad challenges. When governments, the United Nations, businesses, philanthropies and civil society work hand-in-hand, we can achieve great things.

Men must teach each other that real men do not violate or oppress women - and that a woman's place is not just in the home or the field, but in schools and offices and boardrooms.

People everywhere look to the United States to use its remarkable power to help lift humanity up and to work for the common good.

Violence against women continues to persist as one of the most heinous, systematic and prevalent human rights abuses in the world. It is a threat to all women, and an obstacle to all our efforts for development, peace, and gender equality in all societies. Violence against women is always a violation of human rights; it is always a crime; and it is always unacceptable. Let us take this issue with the deadly seriousness that it deserves.