It is a capital mistake to theorize before one has data.
Quote by Arthur Conan Doyle about fear, mistake
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![It is a capital mistake to theorize before one has data. - Arthur Conan Doyle, quote about fear, mistake](/imgupl/quote-photostock/5925p242.jpg)
It is a capital mistake to theorize before one has data.
Arthur Conan DoyleQuote by Arthur Conan Doyle about fear, mistake.