Self-discipline is the ability to control your thoughts and actions to achieve your goals. It means making choices that align with your long-term objectives, even when it's tempting to give in to short-term pleasures. For example, choosing to study for a test instead of watching TV shows self-discipline. Having self-discipline helps you build good habits and stay focused. It can lead to success in various areas of life, such as school, work, and personal relationships. By practicing self-discipline, you learn to prioritize what truly matters, making it easier to overcome challenges and stay motivated.