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Arthur Conan Doyle Quotes about Math

The grand thing is to be able to reason backwards.

Sir Arthur Conan Doyle (2015). “Sherlock Holmes: The Novels: (Penguin Classics Deluxe Edition)”, p.93, Penguin

From a drop of water a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other.

Arthur Conan Doyle (2007). “The New Annotated Sherlock Holmes: The Complete Short Stories: The Adventures of Sherlock Holmes and The Memoirs of Sherlock Holmes (Non-slipcased Edition) (Vol. 1) (The Annotated Books)”, p.151, W. W. Norton & Company