Śrīmad-Bhāgavatam · Text 10.40.5
Who is speaking and story frame
त्रय्या च विद्यया केचित्त्वां वै वैतानिका द्विजा: ।
यजन्ते विततैर्यज्ञैर्नाना रूपामराख्यया ॥ ५ ॥
trayyā ca vidyayā kecit
tvāṁ vai vaitānikā dvijāḥ
yajante vitatair yajñair
nānā-rūpāmarākhyayā
Brāhmaṇas who follow the regulations concerning the three sacred fires worship You by chanting mantras from the three Vedas and performing elaborate fire sacrifices for the various demigods, who have many forms and names.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.