《宋史·列传·卷九十一》
请以一当二，那么公私的损失很小，而且商贾可以通行；加上盗铸钱的人计其值没有赢利，将一定自行停止。 
请以一当二，则公私所损亡几，而商贾可以通行；兼盗铸者计其直无赢，将必自止。 从之。
Treating one as two would result in only small public and private losses, and travelling merchants could pass through; and added to that the counterfeiters of currency with no profit in their efforts would surely stop of their own accord. 