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Quotation from Opticks by Isaac Newton
“And if natural Philosophy in all its Parts, by pursuing this Method, shall at length be perfected, the Bounds of Moral Philosophy will be also enlarged.”
Opticks, Book III, Query 31 (Project Gutenberg text of the 4th edition (London, 1730))
Near the end of the book, Newton links the method of analysis to the knowledge of our duty toward God and one another.
Citation: "And if natural Philosophy in all its Parts, by pursuing this Method, shall at length be perfected, the Bounds of Moral Philosophy will be also enlarged." — Isaac Newton, Opticks, Book III, Query 31 (Project Gutenberg text of the 4th edition (London, 1730)). (id newton-opticks-q8)
Portrait: GodfreyKneller-IsaacNewton-1689, Godfrey Kneller, Public domain.
