My musician friends are banned from playing concerts in China because they share the same views as I do. My name cannot appear on the web, because my opinion is different from the Party.

Self-censorship is insulting to the self. Timidity is a hopeless way forward.

I think by shattering it we can create a new form, a new way to look at what is valuable — how we decide what is valuable.

Individual; that means he has his own special way to communicate, which creates the form of him. In the information age, this expression and communication has become so different.

Now I've come to such a mixed culture: America, Europe, South America, Africa. And the politics are changing everywhere all the time and becoming even more unpredictable. There's no such thing as "fixed" culture. China is also becoming more global. Its problems are becoming international problems, becoming German problems, becoming American problems. Nothing is clear-cut. Perhaps I'll find my way - or get totally lost.

I see the Beijing National Stadium as an architectural project. I accepted Herzog and De Meuron's invitation to collaborate on the design, and our proposal won the competition. From beginning to end, I stayed with the project. I am committed to fostering relationships between a city and its architecture.

I think Donald Trump should cool down a little bit. To pay more attention to the history. To really understand what U.S.'s value is about. I think, as a president, those things you always have to ask.