《史记·七十列传·太史公自序》
钱币的流通，是为沟通农商；其弊端竟发展到玩弄智巧，兼并发财，争相投机牟利，舍本逐末，去农经商。
维币之行，以通农商；其极则玩巧，并兼兹殖，争於机利，去本趋末。
The circulation of currency was to facilitate the communication between farmers and merchants; its drawbacks actually developed into playing with tricks, getting rich, competing for speculation and profit, abandoning the main purpose for trivial matters, leaving farming for business.