I Never Once Made A Discovery ... I Speak Without Exaggeration That I Have Constructed Three Thousand Different Theories In Connection With The Electric Light ... Yet In Only Two Cases Did My Experiments Prove The Truth Of My Theory.
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I Never Once Made A Discovery ...
Thomas A. Edison
I Never Once Made A Discovery ... I Speak Without Exaggeration That I Have Constructed Three Thousand Different Theories In Connection With The Electric Light ... Yet In Only Two Cases Did My Experiments Prove The Truth Of My Theory.
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