The challenge for modern states is to maintain their legitimacy while also being effective in providing services and maintaining order.

The true challenge in mathematics is not solving problems, but asking the right questions.

I don't sing for the critics. I sing for the fans.

Color is my day-long obsession, joy and torment.

I don't mind being a symbol but I don't want to become a monument. There's nothing sadder than a monument.

The most important thing is to keep your mind active.