Daniel Defoe,
The Complete English Tradesman…
“ That cannot well be; but that he should have a true notion of business in general, and a knowledge how and in what manner it is carried on; that he should know where every manufacture is made, and how bought at first hand; that he should know which are the proper markets, and what the particular kinds of goods to exchange at those markets; that he should know the manner how every manufacture is managed, and the method of their sale. ”
