One verse

Srimad Bhagavatam 10.60.2

10.60.2

यस्त्वेतल्ल‍ीलया विश्वं सृजत्यत्त्यवतीश्वर: । स हि जात: स्वसेतूनां गोपीथाय यदुष्वज: ॥ २ ॥

yas tv etal līlayā viśvaṁ sṛjaty atty avatīśvaraḥ sa hi jātaḥ sva-setūnāṁ gopīthāya yaduṣv ajaḥ

yaḥ
who
tu
and
etat
this
līlayā
as His play
viśvam
universe
sṛjati
sends forth
atti
devours
avati
protects
īśvaraḥ
the supreme controller
saḥ
He
hi
indeed
jātaḥ
born
sva
His own
setūnām
of the laws
gopīthāya
for the protection
yaduṣu
among the Yadus
ajaḥ
the unborn Lord

The unborn Personality of Godhead, the supreme controller, who creates, maintains and then devours this universe simply as His play, took birth among the Yadus to preserve His own laws.