The meaning of this sentence is: command the army calmly, unfathomably and impartially. Never let your opponent know your intention at any time, which is an important foundation for success.
Sun Tzu's Art of War, also known as Sun Wu's Art of War or Wu Sun Tzu's Art of War, is the earliest existing military work in China and the earliest military work in the world. It is about 2300 years earlier than clausewitz's On War, and is known as the "sacred book of military science". The existing * * * is about 6000 words, and one * * * has 13 articles.