The document discusses key principles of the ancient Chinese general Sun Tzu's treatise "The Art of War" and their application to agile project management. It argues that project management is like warfare in that there are constant struggles against changing requirements and other projects. It summarizes several of Sun Tzu's teachings on strategy, including laying plans, attacking through stratagem rather than force, managing energy and momentum, knowing weaknesses and strengths, and varying tactics based on circumstances. The document advocates adapting these ancient principles like minimizing risk, responding quickly to change, and focusing on business goals rather than requirements.