《资治通鉴·周纪·周纪三》
用孟贲、乌获一样的勇士来进攻不肯臣服的弱小国家，无异于把千钧的重量压在鸟蛋上，必定没有侥幸保全的可能。
夫战孟贲、乌获之士以攻不服之弱国，无异垂千钧之重于鸟卵之上，必无幸矣。
To attack a weak state that refuses to submit is similar to putting a thousand kilograms on a bird’s egg. It will definitely not survive.