In Europe, even more so than in national politics, we have to follow the principle laid down by Martin Luther: Use language that the people will understand, but don't just tell them what they want to hear.

We do not attract Russian money to Luxembourg with high interest rates.

How will the exit affect thousands of British pensioners living in Portugal or Spain who will lose their access to the welfare and health systems? Fifty-three free-trade agreements, which were negotiated by the EU on behalf of all Member States, are also hanging in the balance for the UK.

I notice with a certain sense of regret that far too many Europeans are returning to a regional and national mindset.

I am a champion of trans-Atlantic relations and I do not believe there is any other option available to us than working closely together with America - including Canada. There is no other alliance option, but the same is true for the U.S.

A united Europe is our Continent's only chance to avoid falling off the world's radar. The heads of government of Germany, France and the United Kingdom also know that their voice is only heard internationally because they speak through the megaphone of the European Union.

It is not more Europe or less Europe that we need. We need a better Europe.