European policy is always an interplay of rationality and emotion.

Imagine a German as president of the European Commission. If he or she goes to some particular country and says do this or that, it won't be very well received. The president quickly ends up being the evil German. But if the president is elected by and controlled by 700 representatives from all EU countries, that legitimizes him or her in a very different way.

Keeping quiet and letting the others do the talking. That may be Angela Merkel's method, but it's not mine.

When it comes to climate protection, the whole world will have to pay the price. But if Donald Trump intends to conclude a trade agreement with the EU, he will have to abide by our climate standards. In any case, waiving climate protection does not make American products more competitive.

In political life, it is extremely difficult to remain loyal to a friendship when constellations of power or interests are in the way.

For German Social Democracy, Europe is vital to the national interest.

We need to roll back precarious employment models. Temporary and limited contracts were initially seen as a way of introducing more flexibility so as to bridge periods of need in certain phases of production. Some employers have taken advantage of the model to push down wages. In general, we must strive for equal pay for equal work.