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general::
Phrase(s): Never ask pardon before you are accused.
Prov. Do not apologize for something if nobody knows that you did it, because by apologizing, you are admitting that you did it. • Alan: Should I apologize to Jane for losing the necktie she gave me? Jane: Wait and see if she asks you what happened to the necktie. Never ask pardon before you are accused.
McGrawhill's American Idioms And Phrasal Verbs