I think America is a hard nut to crack. But once you get a toehold, it's a great place for an entrepreneur because people are so enthusiastic, and you have the most enthusiastic audiences in world.

Every time I sat in a chemistry lesson I thought, what am I doing this for? I don't ever want to be in a job that involves a Bunsen burner.'

I'd say the most dangerous thing I've ever done is probably bungee jumping in Thailand...

If I had to say who is the number-one most powerful figure is in reality TV, it's very easy. It is the general public. They're the only people who have power now.

The object of this competition is not to be mean to the losers but to find a winner. The process makes you mean because you get frustrated.

Whether they run a record company or a grocery store, every boss will tell you you're in big trouble if you're borrowing more than you can ever afford to pay back. Delaying the pain for future generations is suicidal. We've got to start getting the deficit down right now, not next year.

I get very anti-social, depressed and irritable with people. I don't have time for them. I can't make phone calls and stuff. I just sit on my own for days.