一天,一个人急急忙忙地跑到某位哲人那儿,说:“我有个消息要告诉你……”“等一等,”哲人打断了他的话,“你要告诉我的消息,用三个筛子筛过了吗?”“三个筛子?哪三个筛子?”那人不解的问。“第一个筛子叫真实。你要告诉我的消息是真的吗?”“不知道,我是从街上听来的。”“现在再用第二个筛子审查吧,”哲人接着说,“你要告诉我的消息就算不是真实的,也应 One day a man ran hurriedly to a philosopher and said: ”I have a message to tell you ... “ ”Wait a minute,“ the philosopher interrupted him. ”You have to tell My message, sifted through three sieves? “” Three sieves? Three sieves? “Asked the man puzzled. ”“ ”“ ”The first screen is called real.Do you want to tell me the news is true? “ ”I do not know, I heard from the street. “ ”Now use the second screen to review it, “The philosopher went on to say,” Even if the news you want to tell me is not true, it should be. "