Book 4: 《里仁》 Li Ren (Brotherliness)
《里仁》 Passage 4.14
子曰：「不患無位，患所以立；不患莫己知，求為可知也。」
Legge Translation (1861)
The Master said: "A man should say, 'I am not concerned that I have no place, I am concerned how I may fit myself for one. I am not concerned that I am not known, I seek to be worthy to be known.'"