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"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. So says the statistician."

— Arthur Conan Doyle The Sign of Four (1890)

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More quotes by Arthur Conan Doyle

It remains one human episode amid all the atrocities which have stained the memory of the war.

The highest morality may prove also to be the highest wisdom when the half-told story comes to be finished.

The Boer War (1902)

One's ideas must be as broad as Nature if they are to interpret Nature.

A Study in Scarlet (1887)

London, that great cesspool into which all the loungers and idlers of the Empire are irresistibly drained.

It has long been an axiom of mine that the little things are infinitely the most important.

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Quote text and notes from Wikiquote: Arthur Conan Doyle (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.