The Wealth of Nations by Part 1 Chapter 11 Page 61

society becomes sufficient to provide food for the whole.

The other half, therefore, or at least the greater part of them, can be employed in providing other things, or in satisfying the other wants and fancies of mankind. Clothing and lodging, household furniture, and what is called Equipage, are the principal objects of the greater part of those wants and fancies. The rich man consumes no more food than his poor neighbour. In quality it may be very different, and to select and prepare it may require more labour and art; but in quantity it is very nearly the same. But compare the spacious palace and great wardrobe of the one with the hovel and the few rags of the other, and you will be sensible that the difference between their clothing, lodging, and household furniture is almost as great in quantity as it is in quality.