I have a plan. It entails leading to a fair deal and relationship with the British. We will be reasonable, but we will also negotiate firmly and without gullibility. I believe we must come to an agreement for the people of Britain and the people on the Continent, but not under exclusively British terms.

Here in Brussels, we did everything to accommodate David Cameron's concerns. My collaborators and I personally spent countless days and nights negotiating an agreement that was fair toward the United Kingdom and toward the other 27 Member States. I was then very surprised to see that this settlement played no role whatsoever in the campaign in the United Kingdom. At the same time it is hardly surprising.

With their charm and legendary sense of humor, the British directly or indirectly paved the way for a large number of European compromises.

I am for secret, dark debates.

For my generation, the monetary union has always been about forging peace.

I would describe that [friendship with Greek Prime Minister Alexis Tsipras] as a utilitarian friendship. At the time, his country was facing the prospect of leaving the euro zone and many Greeks felt abandoned by Europe. In such a situation, it seemed appropriate to me to present myself as a friend to Greece. It had to do with the country's dignity.

The Turks know that if they want to join the EU, then they must respect our rules. We are a union of beliefs, not a bunch of squawking chickens. But if we continue talks with Erdogan, that doesn't mean we have to bow down to him.