By preventing new conflicts, we avert the causes of radicalization and the risk of terrorist attacks in Europe, including in Germany.

If we want to avoid a clash of cultures - and the jury is still out on whether we can - we'll have to make different cultures and religions compatible with the universal nature of human rights and tolerance. But I can promise you this: Anyone who calls me an infidel at the conference will be in for a fight.

The significant collapse of oil prices shows that it was previously way too high.

If there are possibilities for strengthening investments, they will not fail because of us. Emmanuel Macron is right when he says that we need to do more and talk less.

Most of the mosques were built in our cities in recent years because Turkish citizens in those neighborhoods feel a growing need for places to pray.

We will not be able to meet the challenges of integration and the threats posed by international terrorism. If we want to prevent attacks, we'll need more information and better integration.

I would caution against fueling cheap populism. First of all, every German who has spent a vacation in Greece knows that the standard of living there isn't higher than it is in Germany. Second, Greece is paying a high price for European assistance.