《明史·列传·卷一百零二》
会计称钱法有两难：获利不及本钱，百姓不愿意推行。
计者谓钱法之难有二：利不鸑本，民不愿行。
Accountants said that the law of money has two difficulties: the profit is not as good as the capital, and the people are not willing to implement it.