One thing only I know, and that is that I know nothing. - Dale Carnegie

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One thing only I know, and that is that I know nothing.

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About Dale Carnegie

Dale Harbison Carnegie [originally Carnagey until 1919] (November 24, 1888 – November 1, 1955) was an American writer, lecturer and the developer of famous courses in self-improvement, salesmanship, corporate training, public speaking and interpersonal skills. Born in poverty on a farm in Missouri, he was the author of How to Win Friends and Influence People, first published in 1936, a massive bestseller that remains popular today. He also wrote a biography of Abraham Lincoln, entitled Lincoln the Unknown, as well as several other books.

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Also Known As

Birth Name: Dale Arley Carnegey
Native Name: Dale Arley Carnegie
Alternative Names: Dale Breckenridge Carnegie • Dale Harbison Carnagey • Dale Harbison Carnegie • Dale Carnagey
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Additional quotes by Dale Carnegie

It took me years and cost me countless thousands of dollars in lost business before I finally learned that it doesn’t pay to argue, that it is much more profitable and much more interesting to look at things from the other person’s viewpoint and try to get that person saying ‘yes, yes.
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