Affordable luxury - these are two words that don't go together.

When I was working in my first job engineering construction, what I liked the most was working with architects and making buildings that had this creative side coming from the architect and that were making them a big success.

I think in business, you have to learn to be patient. Maybe I'm not very patient myself. But I think that I've learned the most is be able to wait for something and get it when it's the right time.

Once we decided to do a tower in New York, it had to say something about our group, reflecting the mix of modernity and creativity in our organization. It's a symbol.

It is not enough to have a talented designer; the management must be inspired too. The creative process is very disorganised; the production process has to be very rational.

I take time to get close to, and I don't immediately throw my arms round someone.

From time to time, the Vienna Philharmonic could play without a conductor because they are so good.