This book on that, how happiness and success are firmly constrained, and about seven principles of psychology, that conduce to prosperity. "Advantage of happiness" convincingly disrobes the known myth: if much to work - will score a success, and if you are successful, then certainly will be happy! The last opening prove actually, that a formula became antiquated and sounds quite differently: happiness is an engine of success, but not vice versa.In a state of gladness and calmness our brain works much better. We become more led away, креативными, motivated, energetic, that conduces to the achievements. And this not empty invocation. A conclusion is confirmed by numerous scientific data.Author of book Шон Ачор - one of creators and lecturers of famous course about happiness in the Harvard university. Many years he conducted researches on purpose to remove a break between science about happiness and by efficiency in everyday life. Did activity of Ачора in this direction get illumination in New York Times, Boston Globe, Wall Street Journal, and also on the channels of CNN and NPR, and all видеоролики of author on a theme "As happiness can help us it is better to work"? about four million one times were looked over.It seven приципов success Шон Ачор set forth as a result of researches that overcame 1600 students of Harvard and a few ten of companies from a list Fortune 500 in forty two countries. Obligatory reading for all, who aims to succeed in the world of permanent increase of workload, stresses and competition.