I think I was five when I had my real first go-kart.

Nascar will certainly not be one of my challenges in the future.

When you're very successful, you become careless and try to turn many things into routine.

Your ups and downs in sports, I think they are as normal as daily life: One day you wake up and feel great, the next day you wake up and feel maybe less great.

With this type of thing there are always different opinions and mine is that it is impossible to blame either one of us. [on a crash with Heidfeld]

The first thing, when I got the money, I knew I would support somebody. And the person I supported was my family. Because we were really in debt with the money. And - so I gave to my father this suitcase full of money. And he couldn't believe it. And that was something very special.

Psychologically speaking, it's very important to be in good shape. I work in a sport that requires you to react quickly and be in excellent shape. Besides, things don't get easier as you get older.