《论衡·卷二十三·薄葬篇》
玙璠是宝物，鲁人用它来装殓，奸诈的人窥探到它，贪欲之心必然产生。
璠玙，宝物也，鲁人用敛，奸人间之，欲心生矣。
Yu Fan is a treasure. When the people of Lu used it to bury the dead, the greedy will set their eyes on it and covetousness will naturally arise.