The Wealth of Nations by Part 5 Chapter 2 Page 253

industry which it might otherwise have maintained. Fourthly, such taxes, by subjecting at least the dealers in the taxed commodities to the frequent visits and odious examination of the tax-gatherers, expose them sometimes, no doubt, to some degree of oppression, and always to much trouble and vexation; and though vexation, as has already been said, is not, strictly speaking, expense, it is certainly equivalent to the expense at which every man would be willing to redeem himself from it.

The laws of excise, though more effectual for the purpose for which they were instituted, are, in this respect, more vexatious than those of the customs. When a merchant has imported goods subject to certain duties of customs, when he has paid those duties, and lodged the goods in his warehouse, he is not in most cases liable to any