"Go to your neighbouring country, go abroad, go to study there, go to work there, learn a language. You will also find out that we have many things in common. To have this, to have these freedoms, somebody has to design the rules, somebody has to of course control the rules and somebody has to run the institution which makes it possible. For instance if we don't have controls on inner borders, so we have to have a joint, common control how to protect our external borders. And that's why we have the European Union."