Confucius was a Chinese philosopher and teacher who lived during the Spring and Autumn period of Chinese history. He is known for his teachings on ethics, morality, and social relationships, which have had a profound influence on Chinese culture and thought. Confucius emphasized the importance of personal and governmental morality, justice, sincerity, and social harmony. His philosophy, known as Confucianism, has had a lasting impact on East Asian societies and continues to be studied and practiced today.