"That, if I give you a meeting here, and come disguised and alone, I have probably an object."

"Of course! You wish to remain incog."

"You are full of penetration, my dear sir; and yet we can come to an understanding."

"I do not see how, unless you consent to what I ask."

"You are a judge of diamonds, since we have hitherto only bargained in them."

"That is true, I am a tolerable judge of them."

"Here is one that is worth 100,000 crowns, take it."

And he offered a small case of black shagreen.

The Major eagerly seized it.

"But," he objected, "how can I be certain that you are not deceiving me?"