What is this magic requirement? Just this: a deep, driving desire to learn, a vigorous determination to increase your ability to deal with people.
How can you develop such an urge? By constantly reminding yourself how important these principles are to you. Picture to yourself how their mastery will aid you in leading a richer, fuller, happier and more fulfilling life.
(November 24, 1888 – November 1, 1955) was an American writer and 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.