Lord Krishna is a major deity in Hinduism, revered as the eighth avatar of Vishnu, the preserver god in the Hindu trinity. He is often depicted as a young man playing a flute, surrounded by gopis (cowherd girls) and cows, symbolizing his connection to nature and love. His teachings are central to the Bhagavad Gita, a sacred text that addresses moral dilemmas and the path to righteousness. Krishna's life is celebrated through various stories and festivals, such as Janmashtami, which marks his birth. He is known for his playful and mischievous nature, as well as his role as a divine protector and guide. His teachings emphasize love, devotion, and the importance of duty in life.