Labor was the first price, the original purchase – money that was paid for all things. – Adam Smith
The propensity to truck, barter and exchange one thing for another is common to all men, and to be found in no other race of animals. – Adam Smith
To found a great empire for the sole purpose of raising up a people of customers, may at first sight appear a project fit only for a nation of shopkeepers. It is, however, a project altogether unfit for a nation of shopkeepers, but extremely fit for a nation that is governed by shopkeepers. – Adam Smith
Little else is requisite to carry a state to the highest degree of opulence from the lowest barbarism but peace, easy taxes, and a tolerable administration of justice: all the rest being brought about by the natural course of things. – Adam Smith