Srimad Bhagavatam Canto 11, Chapter 19, Text 06

SB 11.19.6

jñana-vijñana-yajñena
 mam istvatmanam atmani
sarva-yajña-patim mam vai
 samsiddhim munayo ’gaman
 
Translation: 
 
Formerly, great sages, through the sacrifice of Vedic knowledge and spiritual enlightenment, worshiped Me within themselves, knowing Me to be the Supreme Lord of all sacrifice and the Supersoul in everyone’s heart. Thus coming to Me, these sages achieved the supreme perfection.
Srimad Bhagavatam Canto 11, Chapter 19, Text 05
Srimad Bhagavatam Canto 11, Chapter 19, Text 07