《金史·列传·卷三十》
望之请求在大盐泺设官专卖盐，顺从的百姓拿米来贸易，百姓聚集多了成为部落，可以巩固边防，这样做将获利无穷。
请于大盐泺设官榷盐，听民以米贸易，民成聚落，可以固边圉，其利无穷。
Wang Zhi requested to set up a government office in Dayan Lake for the exclusive sale of salt, submissive people who bring in rice to trade, after people gathered there and became a tribe, they can consolidate the frontier and will obtain infinite profits.