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It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.
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Sir Arthur Conan Doyle

British mystery author & physician (1859 - 1930)

All Sir Arthur Conan Doyle quotes | Sir Arthur Conan Doyle Books

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"Sir Arthur Conan Doyle Quotes." Quotes.net. STANDS4 LLC, 2015. Web. 27 Nov. 2015. <http://www.quotes.net/quote/36267>.

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