Srimad Bhagavatam Canto 10, Chapter 80, Text 43

SB 10.80.43

ittham-vidhany anekani
 vasatam guru-vesmani
guror anugrahenaiva
 puman purnah prasantaye
 
Translation: 
 
[Lord Krsna continued:] We had many similar experiences while living in our spiritual master’s home. Simply by the grace of the spiritual master a person can fulfill life’s purpose and attain eternal peace.
Srimad Bhagavatam Canto 10, Chapter 80, Text 42
Srimad Bhagavatam Canto 10, Chapter 80, Text 44