7. The portion of wealth created by production.
SOURCES OF WEALTH.
8. Land, labour, and capital. The two original sources, are land and labour; but the aid which labour receives from capital is applied so very early, and is so very necessary in the production of wealth, that it may be considered as a third source.
LAND.
9. The soil, mines, waters, and fisheries of the habitable globe. It is the main source of raw materials and food.
LABOUR.
10. The exertions of human beings employed with a view to remuneration. If the term be applied to other exertions, they must be particularly specified.
PRODUCTIVE LABOUR.
11. The labour which is so directly productive of wealth as to be capable of estimation in the quantity or value of the products obtained.