Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 32
Sanskrit:
सारथिरुवाचधर्मं विजानतायुष्मन् कृतमेतन्मया विभो ।सूत: कृच्छ्रगतं रक्षेद् रथिनं सारथिं रथी ॥ ३२ ॥
ITRANS:
sārathir uvācadharmaṁ vijānatāyuṣmankṛtam etan mayā vibhosūtaḥ kṛcchra-gataṁ rakṣedrathinaṁ sārathiṁ rathī
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.