The Wealth of Nations by Part 2 Chapter 2 Page 122

silver money; since gold and silver money can at any time be had for it. Whatever is either bought or sold for such paper must necessarily be bought or sold as cheap as it could have been for gold and silver.

The increase of paper money, it has been said, by augmenting the quantity, and consequently diminishing the value of the whole currency, necessarily augments the money price of commodities.

But as the quantity of gold and silver, which is taken from the currency, is always equal to the quantity of paper which is added to it, paper money does not necessarily increase the quantity of the whole currency. From the beginning of the last century to the present time, provisions never were cheaper in Scotland than in 1759, though, from the circulation of ten and five shilling bank notes,