Śrīmad-Bhāgavatam 3.6.33
SB 3.6.33
Open the full passageSanskrit
padbhyāṁ bhagavato jajñe śuśrūṣā dharma-siddhaye tasyāṁ jātaḥ purā śūdro yad-vṛttyā tuṣyate hariḥ
Translation
Thereafter, service was manifested from the legs of the Personality of Godhead for the sake of perfecting the religious function. Situated on the legs are the śūdras, who satisfy the Lord by service.