One verse

Srimad Bhagavatam 1.2.34

1.2.34

भावयत्येष सत्त्वेन लोकान् वै लोकभावन: । लीलावतारानुरतो देवतिर्यङ्‍नरादिषु ॥ ३४ ॥

bhavayaty esa sattvena lokan vai loka-bhavanah lilavataranurato deva-tiryan-naradisu

bhavayati
maintains
esah
all these
sattvena
in the mode of goodness
lokan
all over the universe
vai
generally
loka-bhavanah
the master of all the universes
lila
pastimes
avatara
incarnation
anuratah
assuming the role
deva
the demigods
tiryak
lower animals
nara-adisu
in the midst of human beings.

Thus the Lord of the universes maintains all planes inhabited by demigods, men and lower animals. Assuming the roles of incarnations, He performs pastimes to reclaim those in the mode of pure goodness.