A. Holmes explains relativity theory to Watson
2014
The day was a dreary one. A thin rain was falling, and a dense wet fog lay low over London. Holmes looked out at the mud-colored clouds and muddy streets. He exclaimed, “Watson, I cannot live without brain work. What else is there for me? Stand by the window here. See how the yellow fog swirls down the street and drifts across the dun-colored houses. What is the use of having an energetic mind, Doctor, if one is unwilling to use it?”