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Rh had ail'd round the World, and cou'd detroy Cities by an artificial Thunder more dreadful than the real one: But, then they were not acquainted with the Circulation of the Blood, the Weight of the Air, the Laws of Motion, Light, the Number of our Planets, &c. And a Man who maintain'd a Theis on Aritotle's Categories; on the univerals a parte rei, or uch like Nonene, was look'd upon as a Prodigy.

mot atonihing, the mot ueful Inventions, are not thoe which reflect the greatet Honour on the human Mind. 'Tis to a mechanical Intinct, which is found in many Men, and not to true Philoophy, that mot Arts owe their Origin.

Dicovery of Fire, the Art of making Bread, of melting and preparing Metals, of building Houes, and the Invention of the Shuttle are infinitely more beneficial to Mankind than Printing or the Sea-Compas: And yet thee Arts were invented by uncultivated, avage Men.