Srimad Bhagavatam Canto 10, Chapter 76, Text 32

SB 10.76.32

sarathir uvaca
dharmam vijanatayusman
 krtam etan maya vibho
sutah krcchra-gatam raksed
 rathinam sarathim rathi
 
Translation: 
 
The driver replied: O long-lived one, I have done this knowing full well my prescribed duty. O my Lord, the chariot driver must protect the master of the chariot when he is in danger, and the master must also protect his driver.
Srimad Bhagavatam Canto 10, Chapter 76, Text 31
Srimad Bhagavatam Canto 10, Chapter 76, Text 33