The world is over-armed and peace is under-funded.

You are already leaders. Your ideas, your actions and your decisions make a difference. More than any other generation, you have a voice. Social networking is changing how we interact - and it can change our world. You are in touch with peers from around the world. You understand the power of instant communication. I appeal to you to use that power for the common good, the power of communication and the power of networking.

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.

I am willing to take any measures when it comes to the fundamental principle of human rights.

Nuclear disarmament is the only sane path to a safer world.

Millions of our fellow human beings continue to live as contemporary slaves, victims of abominable practices like human trafficking, forced labour and sexual exploitation. Countless children are forced to become soldiers, work in sweat shops or are sold by desperate families. Women are brutalized and traded like commodities. Entire households and villages labour under debt bondage.

It is but a short step from hunger to starvation, from disease to death.