西汉时,皇上和臣子们议事的地方,人称之为温室殿。汉成帝的大臣孔光,为人十分周密谨慎,每天回家与兄弟妻子一起闲话时,从不谈及朝中的政事。有一次,家人无意中问到温室殿中种了什么树,他却默默无语,守口如瓶。因为他明白,如果讲了温室树,那接下来就是温室事,拿国家机密当茶余饭 Western Han Dynasty, the emperor and courtiers where the proceedings, people called the greenhouse house. Kong Guang, minister of the Han emperor, was a very cautious man who never talked about the affairs of the DPRK during his daily gossip with his brother-in-law. Once, the family inadvertently asked what kind of tree planted in the greenhouse, he was silent, tight-lipped. Because he understands, if you talk about the greenhouse tree, then the next is the greenhouse thing, take the national secrets when ganache