Human Weakness (English Original)

"Human Weaknesses (English Original Version of Whale Song)" is Dale Carnegie's inspirational classic book, which is a model for self-education and adult training. Published in 1937, it has been translated into at least 58 languages ​​around the world, with a total sales volume of more than 90 million copies and 400 million readers. This book aims to help readers solve the problems they face: how to deal with and effectively influence others in daily life, business activities and social interactions; how to defeat worry, the enemy of human survival, in order to create a happy and beautiful life.