The quote reflects the idea that, regardless of how intelligent or composed individuals may appear, their true selves often reveal themselves through subtle hints and behaviors. Even the most skilled at hiding their true nature inevitably have moments where their authentic self surfaces, exposing vulnerabilities and genuine emotions.
This notion suggests that the human experience is marked by a struggle between maintaining a facade and revealing one's true identity. It emphasizes the complexity of human nature, where underlying traits and characteristics can sometimes break through the carefully constructed barriers we put in place to protect ourselves.