it takes one to know one

== English == === Alternative forms === takes one to know one === Pronunciation === === Proverb === it takes one to know one (idiomatic) Expressing the same underlying character-judgment themes as pot calling the kettle black or set a thief to catch a thief. (colloquial, childish) A retort to a negative accusation, implying that the accuser shares the fault. Bob: You're an idiot! Tony: Takes one to know one! For more quotations using this term, see Citations:it takes one to know one. ==== Translations ==== ==== See also ====