The six-eared macaque is good at listening to sounds, able to understand, know the front and back, and everything is clear.
Hongjun teaches without distinction. He once said that anyone who reaches the Zixiao Palace can listen to the Tao, but he also said: The Dharma is not taught to the six ears.
Liu Er is Liu Er.
This is the history of the struggle of a monkey who could not learn the Tao and sought teachers everywhere in the ancient times.