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Quotations about theories

Richard FeynmanIt doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.

 - Richard Feynman

Tags:   experiments  intelligence  theories  

Arthur Conan DoyleI have no data yet. 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.

 - Arthur Conan Doyle

Tags:   data  facts  mistakes  theories