General Scholium by Isaac Newton
= General Scholium by Isaac Newton
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By <Isaac Newton>, added to the second edition of the <Philosophiae Naturalis Principia Mathematica by Isaac Newton> in 1713. Primary text: https://www.newtonproject.ox.ac.uk/view/texts/normalized/NATP00056?end=par4&start=par3
The closing gravitational discussion separates the observed law from an unsupported hypothesis about its physical cause.