One verse

Srimad Bhagavatam 4.2.34

4.2.34

तेऽपि विश्वसृज: सत्रं सहस्रपरिवत्सरान् । संविधाय महेष्वास यत्रेज्य ऋषभो हरि: ॥ ३४ ॥

te ’pi visva-srjah satram sahasra-parivatsaran samvidhaya mahesvasa yatrejya rsabho harih

te
those
api
even
visva-srjah
progenitors of the universal population
satram
the sacrifice
sahasra
one thousand
parivatsaran
years
samvidhaya
performing
mahesvasa
O Vidura
yatra
in which
ijyah
to be worshiped
rsabhah
the presiding Deity of all demigods
harih
Hari.

The sage Maitreya continued: O Vidura, all the progenitors of the universal population thus executed a sacrifice for thousands of years, for sacrifice is the best way to worship the Supreme Lord, Hari, the Personality of Godhead.