Why did John Wooden say Don't Let what you can't do interfere what you can do?

John Wooden's phrase "Don't let what you can't do interfere with what you can do" emphasizes the importance of focusing on one's strengths and capabilities rather than dwelling on limitations. He believed that individuals should concentrate their efforts on their skills and what they can achieve, rather than being hindered by perceived obstacles. This mindset promotes resilience and encourages people to maximize their potential, fostering a positive approach to challenges. Ultimately, it serves as a reminder to prioritize action and progress over self-doubt.