Keira Knightley - In this business, fame lasts for a second. You can...

In this business, fame lasts for a second. You can be blown up and be blown down. People keep losing interest in faces because new ones come along every single second. I'm one at the moment. Tomorrow I won't be. That's cool. I'm not saying that when it does end, I'll be like, 'Yay! It's ending.' But I'll move on and do something else because that's what has to be done. It's about survival. If you're sad about it, then you're in the wrong job.