Do not complain about other people if you are as bad as they are. - A proverb. * /Mary says that Betty is jealous, but Mary is more jealous herself. People who live in glass houses should not throw stones./
PEOPLE WHO LIVE IN GLASS HOUSES SHOULD NOT THROW STONES
Meaning of PEOPLE WHO LIVE IN GLASS HOUSES SHOULD NOT THROW STONES in English
Dictionary of English idioms . Словарь английских идиом. 2012