One verse

Srimad Bhagavatam 11.5.25

11.5.25

तं तदा मनुजा देवं सर्वदेवमयं हरिम् । यजन्ति विद्यया त्रय्या धर्मिष्ठा ब्रह्मवादिन: ॥ २५ ॥

taṁ tadā manujā devaṁ sarva-deva-mayaṁ harim yajanti vidyayā trayyā dharmiṣṭhā brahma-vādinaḥ

tam
Him
tadā
then
manujāḥ
human beings
devam
the Personality of Godhead
sarva-deva-mayam
who contains within Himself all the demigods
harim
Śrī Hari
yajanti
they worship
vidyayā
with the rituals
trayyā
of the three main Vedas
dharmiṣṭhāḥ
fixed in religiosity
brahma-vādinaḥ
seekers of the Absolute Truth

In Tretā-yuga, those members of human society who are fixed in religiosity and are sincerely interested in achieving the Absolute Truth worship Lord Hari, who contains within Himself all the demigods. The Lord is worshiped by the rituals of sacrifice taught in the three Vedas.