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A proverb (from Latin: proverbium) is a simple and concrete saying popularly known and repeated, which expresses a truth, based on common sense or the practical experience of humanity. They are often metaphorical. A proverb that describes a basic rule of conduct may also be known as a maxim.
Proverbs are often borrowed from similar languages and cultures, and sometimes come down to the present through more than one language. Both the Bible (including, but not limited to the Book of Proverbs) and medieval Latin (aided by the work of Erasmus) have played a considerable role in distributing proverbs across Europe, although almost every culture has examples of its own.

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A proverb! I would say is a short story teaching you a lesson, that could save you a life time of work!