Stoney stare... 
To be fair, there is a certain amount of truth in it
but I've always liked to think the consultancy work I've done has been where I've brought something I knew about that the client didn't and needed ie I'll never know as much about letters of credit and trade finance as one client I worked for but I did know more about content and knowledge management than they did.

To be fair, there is a certain amount of truth in it
