《明史·志·卷五十五》
尚书文明用以供给工价，皇帝责问他，命令用别的银两补偿，从此专门用来供给内用了。
尚书文明以给工价，帝诘责之，令以他银补偿，自是专以给内用焉。
The minister of revenue, Wen Ming, used it to pay the salaries of the workers, which led to the emperor’s reprimand. The emperor then ordered that it be compensated with silver from another source, and from then on it was designated for the sole purpose of meeting internal expenses. 