When Isaac Newton embarked on his great program, he encountered a fundamental lack of definition where it was most needed. He began with a semantic sleight of hand: "I do not define time, space, place, and motion, as being well known to all," he wrote deceptively. Defining these words was his very purpose. There were no agreed standards for weights and measures. Weight and measure were themselves vague terms. Latin seemed more reliable than English, precisely because it was less worn by everyday use, but the Romans had not possessed the necessary words either.
( James Gleick )
[ The Information: A History, a ]
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