You know we knocked him around a bit just to prove a few things and he still believes he is right. I have never ever seen this before. Well like they say we see everything one way or another.
That really is a new one, Terry.
He's come to a school with a good teacher, has had the 'talk' and been shown the 'walk' and he's still a naysayer

Sad as it may be, perhaps he just doesn't really 'fit'? If you're anything like me, you probably don't want to let him 'go' without giving it your best effort to get him to see the value in the art but it may be that the right action here is the easy one?
Also, there's a lot of excellent advice and views in this thread, chaps and chappesses. It doesn't get said enough in On-Line Land so I just wanted to let my compatriots know how valued your input can be on something like this - a couple of the approaches mentioned it would never have occurred to me to try.