"A rise of wages from this cause will, indeed, be invariably accompanied by a rise in the price of commodities; but in such cases, it will be found that labour and all commodities have not varied in regard to each other, and that the variation has been confined to money."

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Economic theory has nothing to say as to what commodity will acquire the status of money. Historically, it happened to be gold. But if the physical makeup of our world would have been different or is to become different from what it is now, some other commodity would have become or might become money. The market will decide.

— Hans-Hermann Hoppe