We [European countries] probably need to move forward together, each at their own speed. The faster ones, that could be the countries in the euro zone. The others would be those who are interested in the continued development of the common market, but reject the idea of an ever stronger political integration.

And a united Europe will also manage to send hundreds of thousands of migrants, who don't have the right to asylum, back to their homelands. Though that, given the number of flights necessary, would be of a scale reminiscent of the Berlin Airlift.

But it could be that we, as early as spring, will need to embark on a new policy in order to save one of the cornerstones of European politics: personal freedom of movement.

It is clear that several countries, in the Balkans for example, need to be considered countries of safe origin. But others like, in my opinion, Eritrea, undoubtedly need to be considered a country of origin with a valid claim to asylum. And with a third group of states, like Nigeria for example, each individual case needs to be evaluated. Then there are also very controversial cases like Afghanistan. In any case, united European action is needed. This argument for Europeanization may sound utopian, but there is no alternative.

We cannot treat people with a right to asylum the same way as people from a safe country. They need to be sent back. That is, from our perspective, completely clear. On the other hand, we should scrutinize the now completely outdated principle that only the migrants' first country of arrival should be burdened with their registration as well as with the process of sorting out who has the right to asylum and who needs to be deported.

We have a strong military deployment in Iraq and Afghanistan. In countries like Syria, we need a diplomatic breakthrough to end the war. In Libya, the country must first of all be stabilized to stop IS. This means supporting the Libyan government, including in terms of security. We don't want to repeat the mistakes of the past in that country. The situation is extremely dangerous and the next days could be decisive.

We need to move forward, from the common currency to the banking union to a common financial policy and, in the middle-term, to a common foreign and security policy. That will take time, because we need to figure out how to deal with those countries that don't always want a more tightly integrated European Union.