A signature saying that a person cannot change his nature.

Dogs can't change and eat shit. Have you heard this prophecy? In fact, human nature is hard to change, and human nature is even harder to change. Why? Because personality is hard to change, because what kind of personality we have is a benchmark for a person. If he changes, it's impossible. Dogs can't change and eat shit. Do you think people's personalities will change? A person's biggest change is to change himself, so it is difficult to change whether he is a habit or not, let alone his personality. So, just don't change, don't change for the sake of others' change. Actually, it's hard to change, a leopard cannot change his spots, so it's human nature.