The Wealth of Nations by Part 5 Chapter 2 Page 254

further trouble or vexation from the custom-house officer. It is otherwise with goods subject to duties of excise. The dealers have no respite from the continual visits and examination of the excise officers. The duties of excise are, upon this account, more unpopular than those of the customs; and so are the officers who levy them. Those officers, it is pretended, though in general, perhaps, they do their duty fully as well as those of the customs, yet as that duty obliges them to be frequently very troublesome to some of their neighbours, commonly contract a certain hardness of character which the others frequently have not.

This observation, however, may very probably be the mere suggestion of fraudulent dealers whose smuggling is either prevented or detected by their diligence. The inconveniencies, however, which are,