The importation of gold and silver is not the principal, much less the sole benefit which a nation derives from its foreign trade. - Adam Smith

Such taxes [upon the necessaries of life], when they have grown up to a certain height, are a curse equal to the barrenness of the earth and the inclemency of the heavens; and yet it is in the richest and most industrious countries that they have been most generally imposed. No other countries could support so great a disorder.

In England, and in all Roman Catholic countries, the lottery of the church is in reality much more advantageous than is necessary.

To give the monopoly of the home-market to the produce of domestic industry, in any particular art or manufacture, is in some measure to direct private people in what manner they ought to employ their capitals, and must, in almost all cases, be either a useless or a hurtful regulation.