The Wealth of Nations by Part 5 Chapter 2 Page 82

rent of land. Houses not inhabited ought to pay no tax. A tax upon them would fall altogether upon the proprietor, who would thus be taxed for a subject which afforded him neither conveniency nor revenue. Houses inhabited by the proprietor ought to be rated, not according to the expense which they might have cost in building, but according to the rent which an equitable arbitration might judge them likely to bring if leased to a tenant.

If rated according to the expense which they may have cost in building, a tax of three or four shillings in the pound, joined with other taxes, would ruin almost all the rich and great families of this, and, I believe, of every other civilised country. Whoever will examine, with attention, the different town and country houses of some of the richest and greatest families in this country