Let me see. What are my other shortcomings?

So complex is the human spirit that it can itself scarce discern the deep springs which impel it to action.

Amberley excelled at chess - a mark, Watson, of a scheming mind.

It is of the highest importance in the art of detection to be able to recognise out of a number of facts which are incidental and which are vital.

Still, it is an error to argue in front of your data. You find yourself insensibly twisting them round to fit your theories.

"There are one or two elementary rules to be observed in the way of handling patients," he remarked, seating himself on the table and swinging his legs. "The most obvious is that you must never let them see that you want them. It should be pure condescension on your part seeing them at all; and the more difficulties you throw in the way of it, the more they think of it. Break your patients in early, and keep them well to heel."

The setting is a worthy one, if the devil did desire to have a hand in the affairs of men.