Book 6: 《雍也》 Yong Ye (There is Yong)
《雍也》 Passage 6.7
子曰：「回也，其心三月不違仁，其餘則日月至焉而已矣。」
Legge Translation (1861)
The Master said: "Such was Hui that for three months there would be nothing in his mind contrary to perfect virtue. The others may attain to this on some days or in some months, but nothing more."