The Wealth of Nations by Part 1 Chapter 11 Page 193

Why should we imagine that the precious metals are likely to do so? The coarse metals, indeed, though harder, are put to much harder uses, and, as they are of less value, less care is employed in their preservation. The precious metals, however, are not necessarily immortal any more than they, but are liable, too, to be lost, wasted, and consumed in a great variety of ways.

The price of all metals, though liable to slow and gradual variations, varies less from year to year than that of almost any other part of the rude produce of land; and the price of the precious metals is even less liable to sudden variations than that of the coarse ones.

The durableness of metals is the foundation of this extraordinary steadiness of price. The corn which was brought to market last year will be all or