江山易改, 本性难移

江山易改, 本性难移 [jiāng shān yì gǎi běn xìng nán yí]

1. ■ Rivers and mountains may be changed but it's hard to alter a man's nature.; A leopard never changes his spots.; It's easy to change rivers and mountains but hard to change a person's nature.; The child is father of [to] the man.; You can change mountains and rivers but not a person's nature.