end justifies the means, the

Idioms  

1. A good outcome excuses any wrongs committed to attain it. For example, He's campaigning with illegal funds on the theory that if he wins the election the end will justify the means, or The officer tricked her into admitting her guilt—the end sometimes justifies the means. This proverbial (and controversial) observation dates from ancient times, but in English it was first recorded only in 1583.

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Example Sentences

Still, if the end justifies the means, the ultimate results were not without credit.

From Project Gutenberg