《史记·七十列传·龟策列传》
用它言事就必中，用它卜战就必胜。君王如果能把它作为国宝，各诸侯都会来归服。
先知利害，察於祸福，以言而当，以战而胜，王能宝之，诸侯尽服。
If it is used to talk about things, it will definitely be right. If it is used to predict war, it will definitely win. If the king can use it as a national treasure, all the princes will surrender.