The Jedi and Sith are two opposing factions in the Star Wars universe, representing the light and dark sides of the Force. The Jedi are peacekeepers who follow the light side, emphasizing self-discipline, compassion, and harmony. They use their abilities to protect the galaxy and uphold justice. In contrast, the Sith embrace the dark side, seeking power and control. They believe in using emotions like anger and fear to gain strength. The conflict between the Jedi and Sith has shaped the history of the galaxy, leading to epic battles and the rise and fall of various leaders, such as Darth Vader and Obi-Wan Kenobi.