Asia has an army of low-wage laborers to thank for its economic boom.

The problem with our Blackberry society is that hardly anyone has time anymore to have an unhurried discussion about the long-term developments that will change our lives.

Since loans are getting more expensive and there's less money available, we're seeing a commensurate decline in growth. Higher costs and lower growth, in turn, translate into lower profits. Figuratively speaking, in the future, we won't be able to run as far or jump as high as we used to.

It's completely legitimate for a company to continue striving for growth and higher profits. But business activities have to be conducted in a sustainable manner.

Debt is not intrinsically bad. But I make clear to my children that they should only borrow as much as they will be able to pay back.

Germany's population is getting older and older and smaller and smaller. To be able to finance our welfare system over the long term, we need more women in the workforce, more children and more immigrants.

Everything that individuals ever say or write can be used against them at a later point.