Consumption May Be Regarded As Negative Production.

Civilized Countries Generally Adopt Gold Or Silver Or Both As Money.

It Is Common To Distinguish Necessaries, Comforts, And Luxuries; The First Class Including All Things Required To Meet Wants Which Must Be Satisfied, While The Latter Consist Of Things That Meet Wants Of A Less Urgent Character.

Capital Is That Part Of Wealth Which Is Devoted To Obtaining Further Wealth.

Material Goods Consist Of Useful Material Things, And Of All Rights To Hold, Or Use, Or Derive Benefits From Material Things, Or To Receive Them At A Future Time.

And Very Often The Influence Exerted On A Person's Character By The Amount Of His Income Is Hardly Less, If It Is Less, Than That Exerted By The Way In Which It Is Earned.