More from Arthur Conan Doyle
- The Stark Munro Letters (1894)
- The Boer War (1902)
- The Hound of the Baskervilles (1902), Chapter 2In context
Winwood Reade is good upon the subject,” said Holmes. “He remarks that, while the individual man is an insoluble puzzle, in the aggregate he becomes a mathematical certainty. You can, for example, never foretell what any one man will do, but you can say with precision what an average number will be up to. Individuals vary, but percentages remain constant.
Arthur Conan Doyle on thinking
The Sign of the Four (1890), Chapter X
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