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exception that proves the rule
01
rare or unusual cases that confirm the validity or effectiveness of a commonly accepted general principle or practice
IdiomWhat is the origin of the idiom "exception that proves the rule" and when to use it?
The idiom "exception that proves the rule" has its origin in legal terminology. In legal contexts, the word "prove" meant to test or examine, and a legal rule was considered to be established by its exceptions. The phrase evolved over time to represent a situation where a specific exception or unusual case reinforces the existence of a broader general rule.
例
The fact that we rarely have traffic jams on this road is the exception that proves the rule of efficient traffic management.
His honesty, even in difficult circumstances, serves as the exception that proves the rule of his integrity.
The one mistake she made in her perfect track record at work is the exception that proves the rule of her reliability.
