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Work is external to the worker. . . . It is not part of his nature; consequently he does not fulfill himself in his work but denies himself. . . . The worker therefore feels himself at home only during his leisure time, whereas at work he feels homeless.

Karl Marx, Friedrich Engels, John E. Elliott (1981). “Marx and Engels on economics, politics, and society: essential readings with editorial commentary”
Work is external to the worker. . . . It is not part of his nature; consequently he does not fulfill himself in his work but denies himself. . . . The worker therefore feels himself at home only during his leisure time,