The price of every thing rises and falls from time to time and place to place; and with every such change the purchasing power of money changes so far as that thing goes.
The price of imported oil in the US doubled between summer 2003 and summer 2005, reducing consumers' purchasing power by more than 1 per cent of gross domestic product.
If you increase the quantity of money, you bring about the lowering of the purchasing power of the monetary unit.
Actually, I have no regard for money. Aside from its purchasing power, it's completely useless as far as I'm concerned.
It is production that creates purchasing power, not the printing press!
The market insures that any quantity of money is capable of performing all the work required of a medium of exchange by adjusting its purchasing power to the underlying conditions of supply and demand.