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" "The discovery that mass changes with velocity, a discovery made when minute bodies came under consideration, finally forced surrender of the notion that mass is a fixed and inalienable possession of ultimate elements or individuals, so that time is now considered to be their fourth dimension.
John Dewey (October 20 1859 – June 1 1952) was an American philosopher, psychologist, and educational reformer. A major figure in the Pragmatist school of American philosophy, his work has been influential in a wide range of fields.
Biography information from Wikiquote
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