'If you wanted a man to prospect for gold in Barotseland you would of course like to get one who knew the country and the people and the language.
But the first thing you would require in him would be that he had a nose for finding gold and knew his business.

That is the position now.
I believe that you have a nose for finding out what our enemies try to hide.

I know that you are brave and cool and resourceful.

That is why I tell you the story.

Besides ...' He unrolled a big map of Europe on the wall.
'I can't tell you where you'll get on the track of the secret, but I can put a limit to the quest.