Every individual, from the common mechanic, that works in wood or clay, to the prime minister that regulates with the dash of his pen the agriculture… - Jean-Baptiste Say

A shop-keeper in good business is quite as well off as a pedlar that travels the country with his wares on his back. Commercial jealousy is, after all, nothing but prejudice: it is a wild fruit, that will drop of itself when it has arrived at maturity.

A man who applies his labour to the investing of objects with value by the creation of utility of some sort, can not expect such a value to be appreciated and paid for, unless where other men have the means of purchasing it. Now, of what do these means consist? Of other values of other products, likewise the fruits of industry, capital, and land. Which leads us to a conclusion that may at first appear paradoxical, namely, that it is production which opens a demand for products.

How many other opinions, as universally prevailing and as much respected, will in like manner pass away?