From Caesar's legions to the Napoleonic wars. From the Reformation, the Enlightenment and the industrial revolution to the defeat of nazism. We have helped to write European history, and Europe has helped write ours.

...if we all turned down the thermostat in our house by just one degree, we would save over £650 million worth of energy and nearly nine million tonnes of carbon emissions every year. That would be the equivalent of taking three million cars off our roads...we can bring about a Green Consumer Revolution in this country to improve our lives, enrich our economy and protect our environment.

Britain could make her own way in the world, outside the EU, if we chose to do so. So could any other Member State. But the question we will have to ask ourselves is this: is that the very best future for our country? We will have to weigh carefully where our true national interest lies.

It's not just other countries in Europe having a say over what we do. It's unelected bureaucrats in Brussels on sort of six-figure, huge salaries telling us how we run our country despite having never stood for an election themselves.

The EU must be able to act with the speed and flexibility of a network, not the cumbersome rigidity of a bloc.

More of the same will just produce more of the same - less competitiveness, less growth, fewer jobs.

I don't just want a better deal for Britain. I want a better deal for Europe too. So I speak as British prime minister with a positive vision for the future of the European Union. A future in which Britain wants, and should want, to play a committed and active part.