Book excerpt: Power Principles for Success is the story of Brian Tracy, chairman and CEO of Brian Tracy International, a company specializing in the training and development of individuals and organizations. Brian has traveled extensively, has master's degree in business, and has had successful careers in sales and marketing, investments, real estate development and syndication, importation, distribution and management consulting, and has addressed more than five million people in talks and seminars throughout the United States, Canada, and fifty-three other countries worldwide. He is the top-selling author of seventy books that have been translated into thirty-eight languages. Brian has written and produced more than four hundred audio and video learning programs, including the best-selling Psychology of Achievement, which has been translated into more than twenty-seven languages. He's one of the most sought-after success coaches and has transformed the lives of millions. He has traveled and worked in over ninety countries on six continents, and speaks four languages.