The Wealth of Nations by Part 2 Chapter 2 Page 4

capital, they can place in their stock reserved for immediate consumption, or spend upon their subsistence, conveniencies, and amusements.

Their real wealth, too, is in proportion, not to their gross, but to their net revenue.

The whole expense of maintaining the fixed capital must evidently be excluded from the net revenue of the society. Neither the materials necessary for supporting their useful machines and instruments of trade, their profitable buildings, etc., nor the produce of the labour necessary for fashioning those materials into the proper form, can ever make any part of it. The price of that labour may indeed make a part of it; as the workmen so employed may place the whole value of their wages in their stock reserved for immediate consumption. But in other sorts of labour,