Book 14: 《憲問》 Xian Wen (Xian Asked)
《憲問》 Passage 14.32
微生畝謂孔子曰：「丘何為是栖栖者與？無乃為佞乎？」孔子曰：「非敢為佞也，疾固也。」
Legge Translation (1861)
The Master said: "I will not be grieved that men do not know me; I will be grieved at my own want of ability."