Meaning of the word "eavesdroppers never hear any good of themselves" in English

What does "eavesdroppers never hear any good of themselves" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

eavesdroppers never hear any good of themselves

US /ˈivzˌdrɑpərz ˈnɛvər hir ˈɛni ɡʊd əv ðɛmˈsɛlvz/
UK /ˈiːvzˌdrɒpəz ˈnɛvə hɪə ˈɛni ɡʊd əv ðəmˈsɛlvz/
"eavesdroppers never hear any good of themselves" picture

Idiom

people who listen secretly to others' conversations are likely to hear unpleasant things said about themselves

Example:
I overheard them calling me lazy, but I guess eavesdroppers never hear any good of themselves.
She was upset by what she heard while spying, but eavesdroppers never hear any good of themselves.