(Philosophy of Life)(Interpersonal Relations)(Strengths and Weaknesses of Human Nature)(Art of Leadership)(Career and Wisdom)(Art of Communication)(Power of Thinking)(Art of Management)(Art of Sales) (Happy life) (Beautiful life) (Everyone can succeed) (The way to success) (Eloquence) (Language breakthrough) (The art of eloquence) (The way of doing business) (Speech and eloquence) (Business eloquence) (Great man) (The brilliance of human nature) (Written to women) (Positive life) Carnegie's Complete Book of Success Dale? 6? 1 Carnegie (1888-1955) is a famous American psychologist and interpersonal relationship scientist, 20 The greatest success master of the century and the father of modern adult education in the United States. He devoted his life to the study of human nature issues, using psychology and sociology knowledge to explore and analyze the unique psychological characteristics of human beings, and created and developed a unique set of skills that integrate speech, sales, dealing with people, and intelligence. Developed in an integrated adult education approach. Carnegie's Complete Book of Success Studies is a collection of the essence of Carnegie's thoughts. Carnegie's works such as "The Weaknesses of Human Nature", "The Strengths of Human Nature" and "Breakthrough in Language" have been translated into many languages ??since their publication and have become one of the most enduring best-sellers in the West. They are popular all over the world and are praised as It is a "miracle in the history of human publishing".