“The sections on the history of the theories of value and of money are now, of course, left out altogether. The reader of the earlier work will find, however, in the notes to the first chapter additional sources of reference relative to the history of those theories. Every beginning is difficult, holds in all sciences.
To understand the first chapter, especially the section that contains the analysis of commodities, will, therefore, present the greatest difficulty. That which concerns more especially the analysis of the substance of value and the magnitude of value, I have, as much as it was possible, popularised.1 The value-form, whose fully developed shape is the money-form, is very elementary and simple.”