This document discusses the management principle of "esprit de corps", which emphasizes team spirit and unity within an organization. It defines esprit de corps as teamwork and the idea that unity is strength. The principle is based on theories that unity and a united staff are foundations for success. Positive impacts include achieving goals, high morale, and cooperation, while violations can cause conflicts and lack of participation. The importance of teamwork for faster accomplishment of tasks and improved employee relations is also covered. Examples of esprit de corps in practice are provided.