"There is no Intrinsick Worth in Money but what is alterable with the Times, and whether a Guinea goes for Twenty Pounds or for a Shilling, it is … the Labour of the Poor, and not the high and low value that is set on Gold or Silver, which all the Comforts of Life must arise from."
January 1, 1970
https://en.wikiquote.org/wiki/Bernard_Mandeville