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

If someone complains about Europe from Monday to Saturday then nobody is going to believe him on Sunday when he says he is a convinced European.

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

I'm ready to be insulted as being insufficiently democratic, but I want to be serious ... I am for secret, dark debates.

The will of the British people must now be put into effect as quickly as possible. Under Article 50 of the EU Treaty the UK must leave the European Union within two years at the latest.

The European family may well be anything but perfect.

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