Srimad Bhagavatam Canto 10, Chapter 45, Text 47

SB 10.45.47

sri-gurur uvaca
samyak sampadito vatsa
 bhavadbhyam guru-niskrayah
ko nu yusmad-vidha-guroh
 kamanam avasisyate
 
Translation: 
 
The spiritual master said: My dear boys, You two have completely fulfilled the disciple’s obligation to reward his spiritual master. Indeed, with disciples like You, what further desires could a guru have?
Srimad Bhagavatam Canto 10, Chapter 45, Text 46
Srimad Bhagavatam Canto 10, Chapter 45, Text 48