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Jean-Baptiste Dumas Quotes

In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A Theory Established With The Help Of Twenty Facts Must Explain Thirty, And Lead To The Discovery Of Ten More.

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

Jean-Baptiste Dumas Quotes: In Chemistry, Our Theories Are Crutches; To Show That They Are Valid, They Must Be Used To Walk ... A

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