Dale Carnegie Quotes
If we think happy thoughts, we will be happy. If we think miserable thoughts, we will be miserable.
Citations
Carnegie, Dale. How to Stop Worrying and Start Living. Simon & Schuster, 1948.
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Dale Carnegie was an American writer and lecturer, and the developer of courses in self-improvement, salesmanship, corporate training, public speaking, and interpersonal skills. Born into poverty on a farm in Missouri, he was the author of How to Win Friends and Influence People (1936), a bestseller that remains popular today. He also wrote How to Stop Worrying and Start Living (1948), Lincoln the Unknown (1932), and several other books.