Book 6: 《雍也》 Yong Ye (There is Yong)
《雍也》 Passage 6.24
子曰：「齊一變，至於魯；魯一變，至於道。」
Legge Translation (1861)
The Master said: "Qi, by one change, would come to the State of Lu. Lu, by one change, would come to a State where true principles predominated."