My chances of being PM are about as good as the chances of finding Elvis on Mars, or my being reincarnated as an olive.

The job of mayor of London is unbelievably taxing, particularly in the run-up to the Olympics.

Never in my life did I think I would be congratulated by Mick Jagger for achieving anything.

In 1904, 20 per cent of journeys were made by bicycle in London. I want to see a figure like that again. If you can't turn the clock back to 1904, what's the point of being a Conservative?

Our friends in America will be at the front of the queue for trade deals.

My point is that this Potter business has legs. It will run and run, and we must be utterly mad, as a country, to leave it to the Americans to make money from a great British invention. I appeal to the children of this country and to their Potter-fiend parents to write to Warner Bros and Universal, and perhaps, even, to the great J K herself. Bring Harry home to Britain-and if you want a site with less rainfall than Rome, with excellent public transport, and strong connections to Harry Potter, I have just the place.

We celebrate the contribution of people who have come to this country to make it better.