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John Playfair

John Playfair Quotes

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Famous John Playfair Quotes

“Amid all the revolutions of the globe, the economy of Nature has been uniform, ... and her laws are the only things that have resisted the general movement. The rivers and the rocks, the seas and the continents, have been changed in all their parts; but the laws which direct those changes, and the rules to which they are subject, have remained invariably the same.”

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Book:Biographical memoir. Illustrations of the Huttonian theory of the earth
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“Thus we conclude, that the strata both primary and secondary, both those of ancient and those of more recent origin, have had their materials furnished from the ruins of former continents, from the dissolution of rocks, or the destruction of animal or vegetable bodies, similar, at least in some respects, to those that now occupy the surface of the earth.”

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Book:Biographical memoir. Illustrations of the Huttonian theory of the earth
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