The Week: Quotes of the week

"I was offered a lot of money to stay on but that wasn't the reason behind it. I wanted to do something different. I wanted a new challenge." - Simon Cowell explains why he's quitting American Idol to launch The X Factor in the States

"Lord Mandelson is smart enough and experienced enough to know that there is no such link, but you can see why it might suit him to create a different impression." - John Ryley, the head of Sky News, responds to Peter Mandelson's suggestion that there is an editorial agenda across News Corporation-owned media outlets.