It is not enough to do your best; you must know what to do, and then do your best.
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About W. Edwards Deming
W. Edwards Deming was a 19th-century American engineer and statistician. William Edwards Deming was an American business theorist, composer, economist, industrial engineer, management consultant, statistician, and writer. Educated initially as an electrical engineer and later specializing in mathematical physics, he helped develop the sampling techniques still used by the United States Census Bureau and the Bureau of Labor Statistics. Read more on Wikipedia →