Note 881 — Chapter XIII · THE FORM-WORLD OF ECONOMIC LIFE (A) MONEY
Charles Francis Atkinson translation
Similarly all value-theories, however objective they are meant to be, are developed—and inevitably so—out of a subjective principle. That of Marx, for example, defines value in the way that promotes the interest of the manual worker, the effort of the discoverer or the organizer seeming to him, therefore, valueless. But it would be wrong to describe this as “erroneous.” All these theories are “right” for their supporters and “wrong” for their opponents, and it is not reasons but life that settles whether one is a supporter or an opponent.