Summary
This quote means that if you maintain a healthy lifestyle and take good care of yourself, you won't need to visit the doctor often. The "best doctor" refers to preventive measures and self-care practices that can help you avoid getting sick or developing health issues. When you "run to" look for a doctor but can't find one, it signifies that you don't really need medical attention because you are in good health. Therefore, the quote emphasizes the importance of proactive self-care in promoting overall well-being.