《元史·本纪·卷十七》
初十，回回族头领马合谋沙等人进献大珠，要价几万锭钱钞，皇帝说 ：珠有什么用！
丁酉，回回孛可马合谋沙等献大珠，邀价钞数万锭，帝曰： 珠何为！
On the 10th day of the first lunar month, the Hui leaders Mahemusha and others offered large pearls and asked for tens of thousands of ingots of money. The emperor said, "What's the use of pearls!"