Wang Jing 
10 Principles for Teenagers by Li Ka-shing 

This book has concluded and summarized the principle of being man and doing things from ten aspects, which brings teenager friends the goal of striving and enlightenment of life, these ten principles include: idea and knowledge; diligence and self-discipline; modesty and pride; thought and wisdom; integrity and responsibility; being and doing; thinking and innovation; sharing and cooperation; profit and gain; wealth and greatness.