《史记·七十列传·龟策列传》
百姓和君主的道理不同，百姓得到名龟，看样子似乎不宜杀死。
人民与君王者异道。人民得名龟，其状类不宜杀也。
The principle of the common people and the emperor are different. When the common people get a famous turtle, it seems not good to kill it.