The rate of profit... is naturally low in rich and high in poor countries, and it is always highest in the countries which are going fastest to ruin.

In every part of the universe we observe means adjusted with the nicest artifice to the ends which they are intended to produce; and in the mechanism of a plant, or animal body, admire how every thing is contrived for advancing the two great purposes of nature, the support of the individual, and the propagation of the species.

The natural effort of every individual to better his own condition is so powerful that it is alone, and without any assistance, capable not only of carrying on the society to wealth and prosperity, but of surmounting 100 impertinent obstructions with which the folly of human laws too often encumbers its operations.

The annual produce of the land and labour of any nation can be increased in its value by no other means, but by increasing either the number of its productive labourers, or the productive powers of those labourers who had before been employed.

The great affair, we always find, is to get money.

Capitals are increased by parsimony, and diminished by prodigalityand misconduct. By what a frugal man annually saves he not onlyaffords maintenance to an additional number of productive hands?but?he establishes as it were a perpetual fund for the maintenance of an equal number in all times to come.

By pursuing his own interest (the individual) frequently promotes that of the society more effectually than when he really intends to promote it. I have never known much good done by those who affected to trade for the public good.