A person's true nature will reveal itself despite disguise

A person's true nature will reveal itself despite disguise

In the world of Aesop's fables, the theme of a person's true nature revealing itself despite disguise is a common and powerful one. Aesop's fables are short stories that often feature animals as characters, but they are meant to teach moral lessons to humans. One of the most famous fables that illustrates this theme is "The Wolf in Sheep's Clothing."