One verse

Srimad Bhagavatam 2.5.34

2.5.34

वर्षपूगसहस्रान्ते तदण्डमुदकेशयम् । कालकर्मस्वभावस्थो जीवोऽजीवमजीवयत् ॥ ३४ ॥

varsa-puga-sahasrante tad andam udake sayam kala-karma-svabhava-stho jivo ’jivam ajivayat

varsa-puga
many years
sahasra-ante
of thousands of years
tat
that
andam
the universal globe
udake
in the causal water
sayam
being drowned
kala
eternal time
karma
action
svabhava-sthah
according to the modes of nature
jivah
the Lord of the living beings
ajivam
nonanimated
ajivayat
caused to be animated.

Thus all the universes remained thousands of eons within the water (the Causal Ocean), and the Lord of living beings, entering in each of them, caused them to be fully animated.