The old gentleman in Taishang is one of the moral gods in the "Sanqing" of Taoism, whose full name is "Taiqing Moral God". Too old gentleman is different from Lao Tzu, Lao Tzu is its embodiment.
According to Records of the Historian, Laozi was a historian of the Zhou Dynasty. He founded a unique Taoist theory, was one of the founders of the Taoist school, and was regarded as the ancestor of Taoism by later generations. This is Laozi in history.
Laozi's Tao Te Ching contains the strategy of governing the country and a lot of practical guidance. The Huang-Lao School with both political ideal and self-cultivation theory was formed in the Han Dynasty, which had a great influence in the ruling and opposition circles. Huang Lao Xue is not only a political idea, but also has some religious implications.
Taoism and Buddhism:
Taoism takes "Tao" as the core, thinks that the avenue is inaction, advocates the nature of Tao, and puts forward political, economic, governing the country and military strategies such as Tao giving birth to law, nurturing men with women, and combining rigidity with softness, which has simple dialectical thoughts.
Buddhism, namely Buddhism. The founder Sakyamuni was born in Lumbini, Nepal, and is the prince of Sakyamuni people. There are still different opinions about his date of birth and death in Buddhism circulating in the north and south. It is generally believed that he was born in the 6th century BC to the 5th century BC. When he was a teenager, he felt that things were changeable and thought deeply about ways to get rid of the suffering of life.