Book 6: 《雍也》 Yong Ye (There is Yong)
《雍也》 Passage 6.20
子曰：「知之者不如好之者，好之者不如樂之者。」
Legge Translation (1861)
The Master said: "They who know the truth are not equal to those who love it, and they who love it are not equal to those who delight in it."