It is clear that there are reasons for discontent in Iran - economic and political reasons. We have told the Iranian leadership repeatedly that the country's economic recovery can ultimately only succeed through greater international economic cooperation. And the precondition for that is not only that Iran refrain from developing nuclear weapons, but also that Iran's role in the region become far more peaceful. We have offered to finally hold true negotiations and talks on that issue.

Iran is the only country in the world that's threatening to erase another country from the map as part of a collective genocide.

In the business of politics, emotions and productive dissatisfaction with the world in which we live today are gradually being covered up by the minutiae of ordinary life.

The shadow of an exit of Greece from the euro zone takes on ever clearer shape, repeated apparently final attempts to reach a deal are starting to make the whole process look ridiculous. There is an ever greater number of people who feel as if the Greek government is giving them the run-around.

Economically and politically, Germany is extremely stable. There are countries with functioning governments whose institutions don't work. My only concern is about Europe. There's a risk we will run out of time. We have been blessed with a pro-European French president, but we are also approaching the next elections for the European Parliament in 2019, and it will be important for pro-European parties present a credible answer to the anti-Europeans on the left and the right.

My office has a view of low-cost housing, old East German prefabricated apartment buildings. It isn't an attractive view, but it's very helpful, because it reminds me to ask myself, whenever there is a decision to be made, whether the people who live there can afford our decisions.

Real life is happening outside and not in front of a computer.