“All labour is directed towards producing some effect.” EffectsLabour Book:Principles of Economics Source: Principles of Economics
“But if inventions have increased man's power over nature very much, then the real value of money is better measured for some purposes in labour than in commodities.” IfsMenRealPurposeValuesInventionLabourCommodityReal ValueValue Of Money Book:Principles of Economics Source: Principles of Economics
