Book 8: 《泰伯》 Tai Bo
《泰伯》 Passage 8.16
子曰：「狂而不直，侗而不愿，悾悾而不信，吾不知之矣。」
Legge Translation (1861)
The Master said: "Ardent and yet not upright; stupid and yet not attentive; simple and yet not sincere: — such persons I do not understand."