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general::
Phrase(s): Cheats never prosper. [and] Cheaters never prosper.
Prov. If you cheat people, they will not continue to do business with you, and so your business will fail. • Customer: You charged me for ten artichokes, but you only gave me nine. Grocer: Too bad. You should have counted them before you paid for them. Customer: Cheats never prosper, you know.
McGrawhill's American Idioms And Phrasal Verbs