五代的冯道是个“不倒翁”。他历任后唐、后晋、契丹、后汉、后周的宰相、太傅、太师等职，五朝元老，自号“长乐老”。他总结几十年做官的经验，有两句妙诗：“朝被四袄专藏手，衣覆三衾怕露头。”其《咏舌》诗：“口是祸之门，舌是斩身刀。闭口深藏舌，安身处处牢。”原来他? Five generations of Feng Road is a “tumbler.” He served as post-Tang, after the Jin, Khitan, Han, after weeks of the prime minister, Taifu, Taishi and other staff, the Five Dynasties veteran, since the “Changle Lao.” He summed up decades of official experience, there are two wonderful poems: “North Korea was four secretly possession of handcuffs, clothing is not afraid of three outcrop.” The “Wing tongue” poem: “mouth is the curse of the door, the tongue is cut Body knife. Closed deep tongue, at work in prison. ”The original him?