"管 Zi" is an ancient Chinese book consisting of aphorisms and philosophical sayings attributed to the great Chinese thinker and philosopher Guan Juan. In this book you will find important information about government, administration, military affairs, morals and ethics, as well as various aspects of social life. "管 Zi" is considered one of the most important works of Chinese classical literature, which reproduces and summarizes the thoughts and views of the philosophers of ancient China. This book is considered an indispensable source of wisdom and guidance for leaders, as well as a source of appreciation and battlegrounds for discussions and debates.