SB 4.20.1

maitreya uvāca
bhagavān api vaikuṇṭhaḥ
 sākaṁ maghavatā vibhuḥ
yajñair yajña-patis tuṣṭo
 yajña-bhuk tam abhāṣata
Synonyms: 
maitreyaḥ uvāca — the great sage Maitreya continued to speak; bhagavān — the Supreme Personality of Godhead, Viṣṇu; api — also; vaikuṇṭhaḥ — the Lord of Vaikuṇṭha; sākam — along with; maghavatā — King Indra; vibhuḥ — the Lord; yajñaiḥ — by the sacrifices; yajña-patiḥ — the Lord of all yajñas; tuṣṭaḥ — satisfied; yajña-bhuk — the enjoyer of the yajña; tam — unto King Pṛthu; abhāṣata — said.
Translation: 
The great sage Maitreya continued: My dear Vidura, being very much satisfied by the performance of ninety-nine horse sacrifices, the Supreme Personality of Godhead, Lord Viṣṇu, appeared on the scene. Accompanying Him was King Indra. Lord Viṣṇu then began to speak.