The Wealth of Nations by Part 1 Chapter 11 Page 243

making it into cheese, he stores a much greater part of it for several years. Part of all these is reserved for the use of his own family. The rest goes to market, in order to find the best price which is to be had, and which can scarce be so low as to discourage him from sending thither whatever is over and above the use of his own family. If it is very low, indeed, he will be likely to manage his dairy in a very slovenly and dirty manner, and will scarce perhaps think it worth while to have a particular room or building on purpose for it, but will suffer the business to be carried on amidst the smoke, filth, and nastiness of his own kitchen; as was the case of almost all the farmers’ dairies in Scotland thirty or forty years ago, and as is the case of many of them still.

The same causes which gradually raise the