He'd been wrong, there was a light at the end of the tunnel,... - Terry Pratchett, Mort

"It would seem that you have no useful skill or talent whatsoever,"he said. "Have you thought of going into teaching?"

"He'd been wrong, there was a light at the end of the tunnel, and it was a flamethrower."

"Scientists have calculated that the chances of something so patently absurd actually existing are millions to one.But magicians have calculated that million-to-one chances crop up nine times out of ten."