春秋时，宋国有个人得到一块玉，拿去献给官居正卿的子罕，子罕不受。献玉者说：“我请行家鉴定过，这是一块十分好的玉，堪称为宝，所以才敢献给您。”子罕说：“我以不贪为宝，如果你把玉送给我，我们就都失去了宝。不如我们都保存自己的宝。” “我以不贪为宝”，这话耐人寻 Spring and Autumn Period, the Song Dynasty individuals get a piece of jade, take it to the official residence of Masako Toku, rarely received. Xian Yu who said: “I asked experts identified, this is a very good jade, called treasure, dare to dedicate it to you.” Zi Han said: “I am not greedy, if you send jade If you give me, we will all lose our treasure, and we will all save our own treasure. ”“ I’m not greedy for treasure ”