Purple Tongzhi Sword is praised by many people as the best historical book, the strongest book of tactics, the strongest book of art of war and the strongest book of psychology in human history.

Zi Tong Zhi Jian is a book of emperors, which is a vivid interpretation and embodiment of "Machiavellian". Since the publication of this book, emperors, generals, literati and dignitaries from all walks of life have been fighting for it. Countless emperors, sages, scholars, modern politicians, thinkers, and scholars have commented on the Book. As a textbook for emperors of past dynasties, Zi Tong Zhi Jian's reputation is hard to compare with Zi Tong Zhi Jian except Historical Records. Sima Guang's Zi Tongzhi Jian and Sima Qian's Historical Records are immortal works of Chinese historiography, and they are called "two Sima historians".

Purple Tongzhi Sword is praised by many people as the best historical book, the strongest book of tactics, the strongest book of art of war and the strongest book of psychology in human history.

Zi Tong Zhi Jian is a book of emperors, which is a vivid interpretation and embodiment of "Machiavellian". Since the publication of this book, emperors, generals, literati and dignitaries from all walks of life have been fighting for it. Countless emperors, sages, scholars, modern politicians, thinkers, and scholars have commented on the Book. As a textbook for emperors of past dynasties, Zi Tong Zhi Jian's reputation is hard to compare with Zi Tong Zhi Jian except Historical Records. Sima Guang's Zi Tongzhi Jian and Sima Qian's Historical Records are immortal works of Chinese historiography, and they are called "two Sima historians".