Punishment is not prevention. History offers cold comfort to those who think grievance and despair can be subdued by force.

I dream of things that are not and ask why not.

Each nation has different obstacles and different goals, shaped by the vagaries of history and of experience. Yet as I talk to young people around the world I am impressed not by the diversity but by the closeness of their goals, their desires and their concerns and their hope for the future.

Our answer is the world's hope; it is to rely on youth. The cruelties and the obstacles of this swiftly changing planet will not yield to obsolete dogmas and outworn slogans. It cannot be moved by those who cling to a present which is already dying, who prefer the illusion of security to the excitement and danger which comes with even the most peaceful progress. This world demands the qualities of youth: not a time of life but a state of mind, a temper of the will, a quality of imagination, a predominance of courage over timidity, of the appetite for adventure over the life of ease...

Prejudice exists and probably will continue to `but we have tried to make progress and we are making progress. We are not going to accept the status quo.'

There are those who look at things the way they are, and ask why... I dream of things that never were, and ask why not?

The future is not a gift: it is an achievement. Every generation helps make its own future. This is the essential challenge of the present