"The division of labour, however, so far as it can be introduced, occasions, in every art, a proportionable increase of the productive powers of labour."

"It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest."

"The whole annual produce of the land and labour of every country, or what comes to the same thing, the whole price of that annual produce, naturally divides itself, as has already been observed, into …"

"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."

"The natural effort of every individual to better his own condition, when suffered to exert itself with freedom and security, is so powerful a principle, that it is alone, and without any assistance, n…"