How can the lives and teachings of great leaders serve as valuable lessons in shaping and promoting essential human values?

How can the lives and teachings of great leaders serve as valuable lessons in shaping and promoting essential human values? (150 Words)

महान नेताओं के जीवन और शिक्षाएँ, आवश्यक मानवीय मूल्यों को आकार एवं बढ़ावा देने में किस प्रकार सहायक हो सकती हैं? (150 शब्द)