“The division of labour, however, so far as it can be introduced, occasions, in every art, a proportionable increase of the productive… — Adam Smith Copy Share Image
“The values of commodities are directly as the times of labour employed in their production, and are inversely as the productive powers… — Karl Marx Copy Share Image
That the powers of labour, and of the other instruments which produce wealth, may be indefinitely increased by using their products as… — Nassau William Senior Copy Share Image
The greatest improvement in the productive powers of labour, and the greater part of the skill, dexterity, and judgment with which it… — Adam Smith Copy Share Image
