ignorance of the law excuses no one

ignorance of the law excuses no one

One can still be held liable for breaking a law, even if they didn't know they were doing so at the time. I know you didn't think you were doing anything seriously wrong, but that defense won't hold up in court. Ignorance of the law excuses no one.
See also: excuse, ignorance, law, no, of, one
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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