Antoine Lavoisier Quotes About Before And After

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  • We may lay it down as an incontestible axiom, that, in all the operations of art and nature, nothing is created; an equal quantity of matter exists both before and after the experiment; the quality and quantity of the elements remain precisely the same; and nothing takes place beyond changes and modifications in the combination of these elements. Upon this principle the whole art of performing chemical experiments depends: We must always suppose an exact equality between the elements of the body examined and those of the products of its analysis.

    Art   Science   Quality  
    Antoine Laurent Lavoisier (1802). “Elements of chemistry, tr. by R. Kerr”, p.226
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Antoine Lavoisier quotes about: Art Chemistry Language Science