besides, this indifference of the Russians as to the kind of work they do, corresponds to their traditional practice of remaining in the rut of a quite definite occupation until they are thrown out of it by external influences.
This example of labor strikingly shows how even the most abstract categories, in spite of their applicability to all epochs—just because of their abstract character—are by the very definiteness of the abstraction a product of historical conditions as well, and are fully applicable only to and under those conditions.
The bourgeois society is the most highly developed and most highly differentiated historical organization of production. The categories which serve as the expression of its conditions and the comprehension of its own organization enable it at the same time to gain an insight into the organization and the conditions of production which had prevailed under all the past forms of society, on the ruins and constituent elements of which it has arisen, and of which it still drags along some unsurmounted remnants, while what had formerly been mere intimation has now developed to complete significance. The anatomy of the human being is the key to the anatomy of the ape. But the intimations of a higher animal in lower ones can be understood only if the animal of the higher order is already known. The bourgeois economy furnishes a key to ancient economy, etc. This is, however, by no means true of the method of those economists who blot out all historical differences and see the bourgeois form in all forms of society. One can understand the nature of tribute, tithes, etc., after
