You can't have euro bonds without more interconnection among the national budget policies.

In politics, there are different categories of friendship. My friendship with Greek Prime Minister Alexis Tsipras, for example .

The Luxembourg financial centre is based on several pillars, we are characterised by the breadth of our product range, we are an active participant in the international credit business.

I put my money on Brexit. The EU Financial Stability Commissioner, Jonathan Hill from Britain, still owes me a pound.

Now it is firstly a matter of a clean divorce, because citizens and companies need legal certainty. Can there be a new partnership with the United Kingdom one day? All 27 Member States would have to agree to that. And the United Kingdom would first have to reflect on what it wants itself.

But it is the best thing that we have for bringing the countries of Europe around the same table and for forging compromises so that people here can live in peace, freedom and prosperity. In a world which is growing closer together all the time, we can only survive and influence the rules if we join forces. We will miss the presence of the United Kingdom at this table.

But anyone who believes that the eternal issue of war and peace in Europe has been permanently laid to rest could be making a monumental error. The demons haven't been banished; they are merely sleeping, as the wars in Bosnia and Kosovo have shown us.