The Wealth of Nations by Part 5 Chapter 2 Page 220

spirituous liquors distilled, not for sale, but for private use, are not in Great Britain liable to any duties of excise.

This exemption, of which the object is to save private families from the odious visit and examination of the tax-gatherer, occasions the burden of those duties to fall frequently much lighter upon the rich than upon the poor. It is not, indeed, very common to distil for private use, though it is done sometimes. But in the country many middling and almost all rich and great families brew their own beer. Their strong beer, therefore, costs them eight shillings a barrel less than it costs the common brewer, who must have his profit upon the tax as well as upon all the other expense which he advances. Such families, therefore, must drink their beer at least nine or ten shillings a barrel cheaper than any