变故易常

Explanation: Change the traditional rule of law and norms 　　Source: "Yizhoushu Historical Records": "good turn of events often perish easily, Xiyang's monarch, Zifa and good change things for no reason industry officials no position, pro-democracy movement in the next, Yang's to death." 　　Examples: ~, Is the taboo for the government; severely punished cool, non-induced rule Hong regulations. ★ "Zhou Shu Yan of the instrument Biography"