☉ 江山易改，禀性难移 【jiānɡshānyìɡǎi，bǐnɡxìnɡnányí】
　　[ It's easy to change rivers and mountains but hard to change a person's nature a fox may grow grey,but never good a sow,when washed,returns to the muck it is hard to change man's natural disposition than to change rivers and mountains ] 政体容易更改，本性难于变移，比喻生性风格或既成的事实难以改变。