By Mu Chengang
If we speak of psychology course, we should mention Harvard one of the top universities in the world. The American president Obama had ever said that in the university Harvard psychology made him know what happiness was, what success was, and it also changed his thought direction. This book compiled by Mu Chengang fully reveals the power source of Harvard elites strong heart and conveys the most popular and practical Harvard psychology courses. After reading this book you will have new comprehension to your views on life, happiness and value. A strong heart is what makes you real strong, and your successful life will set out from here!