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All people have faults or make mistakes. Used as a means of consolation or of mitigating judgment or criticism against someone or something. A: "I'm sorry I screwed up our presentation today." B: "Hey, nobody's perfect. It's not the end of the world or anything." Nobody's perfect, so I try not to be too judgmental of other people.
See also: perfect
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.