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People who live in glass houses shouldn't throw stones

We shouldn't complain about others if we are as bad as they are.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Idioms and Phrases with people who live in glass houses shouldn't throw stones

people who live in glass houses shouldn't throw stones

One who is open to criticism should not criticize others, as in It's stupid of Mike to mention his opponent's accepting donations from lobbyists—people who live in glass houses! This proverb is so well known that it is often shortened. [Late 1300s] Also see pot calling the kettle black.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.