Analects of Confucius 17.10
The Master said to Po-yu, ‘Do you give yourself to the Chau-nan and the Shao-nan. The man who has not studied the Chau-nan and the Shao-nan, is like one who stands with his face right against a wall. Is he not so?’
The Master said to Po-yu, ‘Do you give yourself to the Chau-nan and the Shao-nan. The man who has not studied the Chau-nan and the Shao-nan, is like one who stands with his face right against a wall. Is he not so?’