Dale Carnegie: Flaming enthusiasm, backed by horse sense and persistence, is the quality that most frequently makes for success.
Jul 31, 2012 | 6:00 AM Written By: Christina
Dale Breckenridge Carnegie was an American writer, lecturer, and the developer of famous 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 , a massive bestseller that remains popular today. He also wrote How to Stop Worrying and Start Living , Lincoln the Unknown , and several other books.