《吕氏春秋·壅塞》中有这样一个故事:战国时,齐国将进攻宋国。宋国派出的探使回来向宋康王报告说:“齐寇近矣,国人恐矣!”宋康王左右近臣都很了解宋康王只愿听臣下“报喜”,不愿听臣下“报忧”。于是,有人对宋康王说:“以我宋国之强,齐国之弱,齐国哪敢来犯?分明是这家伙无中生有,造谣惑众。”宋康王本来就讨厌这报“忧”的探使,一听这话,更是火上加油,立即下令把他杀了。如此一连杀了三个探使,又派第四名探使去打探。第四名探使在路上遇到了 “Lu Spring and Autumn congestion” There is such a story: the Warring States Period, Qi will attack the Song. Song Dynasty sent the probe back to Song Kang Wang reported: “Qi Kou nearly carry on, people fear it!” Song Kang Wang around the ministers are very aware of Song Kang Wang only willing to listen to the minister, “good news”, do not want to listen to the minister, “reported concern.” So, someone said to Song Kang Wang: “In my Song Guoqiang, Qi weak country, Qi country which dare to commit? Clearly this guy out of thin air, spread rumors to the public.” Song Kang Wang had hate this newspaper “worry” exploration As soon as he heard these words, he even fueled it and immediately ordered him to kill him. So in a row to kill three explorers, but also sent the fourth probe to explore. The fourth probe to encounter on the road