the end of the fifties. Consequently, such of his writings as were published before the first instalment of his Critique of Political Economy was finished, deviate in some points from those written after 1859, and contain expressions and whole sentences which, viewed from the standpoint of his later writings, appear inexact, and even incorrect. Now, it goes without saying, that in ordinary editions, intended for the public in general, this earlier standpoint, as a part of the intellectual development of the author, has its place; that the author, as well as the public, has an indisputable right to an unaltered reprint of these older writings. In such a case, I would not have dreamed of changing a single word in it. But it is otherwise when the edition is destined almost exclusively for the purpose of propaganda. In such a case, Marx himself would unquestionably have brought the old work, dating from 1849, into harmony with his new point of view, and I feel sure that I am acting in his spirit when I insert in this edition the few changes and additions which are necessary in order to attain this object in all essential points. Therefore I say to the reader at once: this pamphlet is not as Marx wrote it in 1849, but approximately as Marx would have written it in 1891. Moreover, so many copies of the original text are in circulation, that these will suffice until I can publish it again unaltered in a complete edition of Marx's works, to appear at some future time.
My alterations center about one point. According to the original reading, the worker sells his labor for wages, which he receives from the capitalist; according to the present text, he sells his labor-power. And for this change, I must render an explanation: to the workers, in order that they may understand that we are not dealing here with a quibble and word-juggling, but with one of
