Which famous person in ancient times was more knowledgeable and wise and could answer any questions people asked him? Including all kinds of fairy tales.

Dong Fangshuo (it is said that ghosts and gods can be recognized), Guiguzi (every student is a cow), Duke of Zhou Wenwang (Duke of Zhou, Bagua Yijing), Yuan Tiangang (speculative divination).

Sima Caode, who is unreliable in Romance of the Three Kingdoms, is simply a living immortal, knowing him for 500 years.