Dale Carnegie 
Weakness of Human Nature 

Weakness of Human Nature is a practical work on interpersonal relations. From the perspective of the essence of human nature, it unearths the weaknesses hidden in people”s bodies, so that people can fully understand themselves, and constantly reform themselves, so that they can make progress until they succeed. No matter in career or personal life, Carnegie”s motto has been practiced and verified by generations. This book satisfies the universal needs of human nature, touches the nerves of readers, and still has its unique reference value in today”s society.