il bue che dice cornuto all'asino

Italian

Etymology

Literally “the ox calling the donkey horned” (cornuto also meaning “cuckold”)

Phrase

il bue che dice cornuto all'asino

1. (idiomatic) pot calling the kettle black (somebody who accuses someone else of a fault shared by the accuser)
2. (idiomatic) it takes one to know one
3. (idiomatic) I know you are but what am I