It is true that no member state can be required to make payments to others. But if countries want to offer voluntary assistance, as in the Greek case, this isn't only allowed, but it's also in Germany's interest. We all benefit by ensuring the stability of the euro zone.

About three million Muslims live in the country, but we have no relationship to our diverse Muslim society, despite the fact that it's an established part of our larger society. We need to build a stronger foundation for the relationship between Muslims and the state.

I suggested that countries with tighter finances think about such a [fuel] tax. We don't have the time at the moment for months of discussion.

If the Schengen system (of border-free travel) is destroyed, Europe will be seriously endangered politically and economically. That is why we Europeans have to invest billions in Turkey, Libya, Jordan and other countries in the region as quickly as possible everybody as much as they can.