Dogs don't make mistakes. — Arthur Conan Doyle

"Of course I remembered him," said I as I laid down the letter. "Big Bob Ferguson, the finest three-quarter Richmond ever had. He was always a good-natured chap. It's like him to be so concerned over a friend's case."

Holmes looked at me thoughtfully and shook his head. "I never get your limits, Watson," said he. "There are unexplored possibilities about you. Take a wire down, like a good fellow. 'Will examine your case with pleasure.'"

--"Your case!"

--"We must not let him think that this agency is a home for the weak-minded."

We must look for consistency. Where there is a want of it we must suspect deception.

I am sorry. I am accustomed to have mystery at one end of my cases, but to have it at both ends is too confusing. I fear, Sir James, that I must decline to act.