Meredith

'He speaks: can I trust what he says is sincere?
There's an edge to his smile that cuts much like a sneer.'

Taken from 'The Ordeal of Richard Feverel' - George Meredith.
A poetic sentence with a lot of potential...maybe I should steal it and insert it into one of my lyrics, maybe that's vulgar and I shouldn't - wish it had come out of my mouth :-)