It is said, "Bad money drives away good money.'' If you put bad money, just like nowadays the currency is some paper, paper currency, so drives away good money. Good money means gold coins. They are not to be seen. That's economic law: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.