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

Nothing is more shameful than attacking sleeping children.

Every literate woman is a victory over poverty

It is only natural that people's wishes and aspirations should be realized by the leaders of the region. As this wind of change blows, it is up to the leaders to seize this opportunity to look for the better future for their own people through bold reforms before it is too late, before the people are forced to take action.

The clear and present danger of climate change means we cannot burn our way to prosperity. We already rely too heavily on fossil fuels. We need to find a new, sustainable path to the future we want. We need a clean industrial revolution.

It has been said that knowledge is power. We need to strengthen education systems so that young people can benefit from cultural diversity, and not be victimized by those who exploit differences.

You are here to step into the shoes of UN ambassadors - to draft resolutions, to plot strategy, to negotiate with your allies as well as your adversaries. Your goal may be to resolve a conflict, to cope with a natural disaster or to bring nations together on an issue like climate change. You may be playing a role, but you are also preparing for life. You are acting as global citizens.