a leopard cannot change its spots

a leopard can't change its spots

One will stay true to one's nature, even if one pretends or claims otherwise. After our breakup, he came crawling back, trying to convince me that he'd changed, but I know that a leopard can't change its spots.
See also: change, leopard, spot

a leopard cannot change its ˈspots

(saying) a person’s character does not change: A dictator is unlikely to become a good leader in a democracy. A leopard cannot change its spots.
See also: cannot, change, leopard, spot
References in periodicals archive ?
Just as a leopard cannot change its spots and a lion cannot help preying on other animals, these people cannot help exploiting other countries.
A leopard cannot change its spots, but I did the best I could.