《战国策·赵四·冯忌请见赵王》
如果交情浅就不可以深谈，那么天下就无法禅让，并且三公的职位也不可能得到。 
使夫交浅者不可以深谈，则天下不传，而三公不得也。 
If there is a shallow friendship then you cannot speak deeply, then the world cannot be abdicated, and the position of Three Dukes cannot be achieved.