So, Sayid will sell his soul...

tdciago wrote:
  > LOCKE: Well, then, I can save you a lot of trouble, Sayid, because Ben
> says he's got a spy on the boat.
> 
> [SAYID stands up and approaches BEN.]
> 
> SAYID: Who?
> 
> BEN: It's a secret.
> 
> SAYID: Forgive me, but the day I start trusting him is the day I would
> have sold my soul. 

Ans as we know, in the future Sayid will work for Ben--and certainly 
trust him...