The Wealth of Nations by Part 2 Chapter 2 Page 52

this bank is obliged to keep at all times in its coffers ten thousand pounds in gold and silver.

Should this bank attempt to circulate forty-four thousand pounds, the four thousand pounds which are over and above what the circulation can easily absorb and employ, will return upon it almost as fast as they are issued. For answering occasional demands, therefore, this bank ought to keep at all times in its coffers, not eleven thousand pounds only, but fourteen thousand pounds. It will thus gain nothing by the interest of the four thousand pounds’ excessive circulation; and it will lose the whole expense of continually collecting four thousand pounds in gold and silver, which will be continually going out of its coffers as fast as they are brought into them.

Had every particular