September 11 was, and remains, above all an immense human tragedy. But September 11 also posed a momentous and deliberate challenge not just to America but to the world at large. The target of the terrorists was not only New York and Washington but the very values of freedom, tolerance and decency which underpin our way of life.

There are solutions that are proper, but they require the painstaking and difficult work of building alliances and also being prepared to analyze the problem realistically. And exactly the same thing is going on my side of the Atlantic as is going on your side of the Atlantic.

If we are going to carry on growing, and we will, because no country is going to forfeit its right to economic growth, we have to find a way of doing it sustainably.

Ever so often in the history of human endeavour, there comes a breakthrough that takes humankind across a frontier into a new era. ... today's announcement is such a breakthrough, a breakthrough that opens the way for massive advancement in the treatment of cancer and hereditary diseases. And that is only the beginning.

What we also know is we haven't found them [weapons of mass destruction] in Iraq - now let the survey group complete its work and give us the report... They will not report that there was no threat from Saddam, I don't believe.

September 11 was, and remains, above all an immense human tragedy. But September 11 also posed a momentous and deliberate challenge not just to America but to the world at large. The target of the terrorists was not only New York and Washington but the very values of freedom, tolerance and decency which underpin our way of life.

Fifteen years ago, if you said business will help save the environment people would have laughed at you. Today, I believe that is a serious proposition.