江ㄐㄧㄤ山ㄕㄢ易ㄧˋ改ㄍㄞˇjiāngshān‑yìgǎi，本ㄅㄣˇ性ㄒㄧㄥˋ難ㄋㄢˊ移ㄧˊběnxìng‑nányí

简江山易改，本性难移

  1. 山河面貌易隨年月而改換，人的天賦本性卻是根深蒂固而難以改變（用反襯強調本性難移）​。也作「江山易改，稟性難移」。例 「都已經吃過一次虧了，還是這麼貪心，真是江山易改，本性難移！」。

英it is easier to change mountains and rivers than to alter one's character (idiom)​, you can't change who you are, Can the leopard change his spots?