C672 Six gates of truth

Jiang Huan could not help but shake his head and continue.

"Teacher Deng Xishan's' History of the Great Tactics' once recorded that there was nothing unusual about the signboard in his first meeting, until he chanced upon the ancestor of Confucianism's dictation 'Er Yi'. He knew that the meaning of 'You are the same as usual' and 'You are the same as usual'."

"In other words